Setspn Cifs

Open a command prompt using a domain account with permission to modify the SQL Agent service account. Server Name (Service and Instance): cifs/spnTest. The Setspn tool is included in Windows Server 2003 Support Tools. setspn -a cifs/corp. 20 demo\ts-srv01. This is > today solved by manually setting the SPN on the affected computer accounts > using some ldap tool like ADSI Edit, ldapmodify, setspn. Removing the SPN from AD by running setspn -D on a domain controller. (Often in storage vendors where CIFS is also present) If using a user to bind with simple or SASL, then the user has to have readonly access to the LDAP schema. We have tried several workarounds (Delegation, creation of 'Service Principal Names' with SetSpn. The SonicWALL WXA series appliance attempts to create the DNS entries automatically for each alias created. A nice collection of further red teaming procedures can be found on https://ired. keytab) creados en la máquina Linux en, por ejemplo, /etc/alfresco. Cette manipulation est relativement connue des experts Windows/AD et consiste à utiliser la commande “setspn” pour ajouter le FQDN de la zone SmartConnect CIFS : [pre]C:\Windows\system32>setspn -S HOST/SITULA ISILONPRIMAIRE Vérification du domaine DC=toto,DC=mamaison,DC=fr. This command provides the same basic functionality as the setspn. war) running must be Enterprise 3. Ekrem Önsoy I don't know you have seen BOL, however I wanted to share the following info with you. don't create cifs configuration exclusively, wihch takes care of not adding duplicate SPN. AppSense Environment Manager 8. So you see the DNS computer name attribute HOST1. That means if an application or machine asks for says CIFS/machinename or CIFS/machinename. Complete list of the different service types included in HOST of can be found in this technet article. The target name used was cifs/domain. Configure CIFS and SMB2/SMB3 acceleration. The module contains three functions: Get-SPN: List SPNs in a Service Account; Add-SPN: Adds new SPNs to a Service Account and Remove-SPN: Removes SPNs from a Service Account. ”domainname” Anything in bold you will obviously have to put in your own info and if you’re using less accounts then some of these will be combined. dn realname CLI commands. For example, to reset the SPNs of a computer named server2, type setspn -r server2, and then press ENTER. To set, list or delete the SPN, we use an in-built command line tool SETSPN provided by Microsoft. Configure MAPI acceleration. exe -s HTTP/www. 20 demo\ts-srv01. NTLM | Kerberos Authentication & Protocols | startup parameters & Browser Services Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The vserver commands enable you to manage Vservers and their attributes, including the configuration of the CIFS and NFS protocols, export policies, name mappings between CIFS and NFS users, and network services. We are running 7. We’re going to create some users in AD for these principals. when a user entered their AD credentials the. au FindDomainForAccount: Call to DsGetDcNameWithAccountW failed with return value 0x00000525 Unable to locate account corp. To fix the SPN of a storage controller that does not match the domain that it was joined to, perform the following steps:. This post has been republished via RSS; it originally appeared at: New blog articles in Microsoft Tech Community. Fixing a Broken CIFS/NetBIOS Alias February 9, 2016 February 1, 2017 / matthewf01 After shifting CIFS duties off a Windows server and onto our NetApp SAN, we wanted to take over the name of the Windows Server and have those requests hit the SAN instead. C:\> setspn -A cifs/tomcat. You can add the ‘cifs’ SPN if you have file shares on the server that the Mac’s need to access. The file contains 156 page(s) and is free to view, download or print. This parameter's value must be one or more principal service names, separated by a space or by a comma. To remove these messages either configure Kerberos as described in [the section on Kerberos setup for the source machine](#cifs_host_setup_krb5) or disallow Kerberos on the WinRM server as described in step 4 of [the section on WinRM setup](#cifs_host_setup_winrm). Or if the front-end service is IIS then you can try running my DelegConfig tool that I have mentioned at the top of this blog. 1 & NetApp CIFS Folder Redirection Date: August 26, 2011 Author: Andy McCullough 3 Comments A recent issue I encountered on a customer site was with slow logons after upgrading from AppSense Environment Manager 8. The of main concept of the Kerberos protocol regarding Windows services is a Service Principal Names (SPN) records. setspn -a cifs/ cifs setspn -a cifs/. Does the SPN "HTTPS/xxx" exist ? I have read an article from Joeware website, he explained the SPN mapping in AD, there is a list of mapped SPN within "HOST/" but I can't find any specification about other existing SPN ? Thank you. setspn -a cifs/ alfrescocifs setspn -a cifs/. Alfresco Enterprise 4. setspn must be run from an elevated command prompt. Charbel Nemnom is a Cloud Architect, ICT Security Expert and Microsoft Most Valuable Professional (MVP), totally fan of the latest's IT platform solutions, accomplished hands-on technical professional with over 17 years of broad IT Infrastructure experience serving on and guiding technical teams to optimize performance of mission-critical enterprise systems. Running the PowerShell command setspn -Q MSSQLSvc/db01. By the way, there is a detailed Microsoft article on SPN and setspn. Setting Up Kerberos NFS on NetApp Data OnTap 8. A Service Principal Name must be configured for the core filer’s CIFS Machine Account. My first noticable problem was with IIS websites that use Windows authentication. Why would they be associated with users? I won't say that this is the reason for the change, but for a long time Information Security professionals (and bad guys) have exploited the idea that services run as the all powerful "NT AUTHORITY. Run the following setspn commands from a Command line prompt on a domain controller or any machine with the AD tools installed: Run the following command to remove the SPN from the computer object: setspn -D DataGoverance. spncheck parameter. The vserver commands enable you to manage Vservers and their attributes, including the configuration of the CIFS and NFS protocols, export policies, name mappings between CIFS and NFS users, and network services. From DC: Use the setspn command (can be found in the Windows 2000 resource kit) to lookup spn and check if it is assigned to the right account. 35 is now available. Scenario 1: When cifs setup was run on the storage controller, the value defined in options dns. php in the web server's htdocs somewhere (assuming you have PHP installed and configured):. Now depending on your environment you need to store the ISO in a highly available location that all your PVS Target VMs can access to get at the ISO file. FreeNAS® 11. We're seeing the target SPN type is different from impacket (NT_SRV_INST) and Mac (NT_SRV_HST). When cifs setup is run, the storage controller builds the Kerberos SPN based on the value provided in options dns. Common Internet File System (CIFS) 是一種提供 Windows 電腦使用的檔案服務協定。 對可提供 CIFS client 的 Unix-like 系統亦可連接此共享區。 組建該服務前,應先行建立 CIFS 共享區 ( 共享→ Windows (CIFS) 共享 → Add Windows (CIFS) Share ) 。. com is the name of the instance of SQL Server that is clustered, run the following command: setspn -A MSSQLSvc/MySQLServer. MSI,运行后 即可在 cmd 下运行 setspn,测试是否安装好,如下所示: 3. C:\> setspn -A cifs/tomcat. in2pruebas alfrescohttp. Microsoft Windows' built-in file sharing capabilities are based on CIFS and are therefore available and enabled by default, so you should not need to install new software on a target CIFS or SMB host. Setting up Kerberos Authentication for a Website in IIS I had previously blogged on the working of Kerberos and how to troubleshoot authentication issues with Kerberos when it fails. It’s quite old, and we can implement NTLM blocking to disable it, allowing us to increase overall security by instead moving to another protocol such as Kerberos. This is a limitation of the CIFS protocol. exe is installed with the Active Directory Directory Services role or with RSAT. This command provides the same basic functionality as the setspn. au FindDomainForAccount: Call to DsGetDcNameWithAccountW failed with return value 0x00000525 Unable to locate account corp. netbiosName being the machine name of the computer being joined to the domain, and FQDN. Enabling Cifs share via alias/cname in DNS → Managing SPN with Setspn. 前身为RPC-over-HTTP,随后在Exchange 2007和Exchange 2010中被重命名为Outlook Anywhere。RPC-over-HTTP是在Exchange 2003被提出的,在此之前,外网用户使用Exchange邮箱需要先通过VPN连接到企业内部网络中,随后微软在Outlook中推出新特性Outlook Anywhere,外网用户可以直接通过Outlook Anywhere连接使用Exchange邮箱而无需使用VPN. For that we checked if there is any Duplicate SPN present in the environment (setspn-x) and found none related. The setspn command won't stop you from creating an invalid SPN, and for good reason, so there is no actual problem here believe it or not. AD can be configured on a Windows server that is running Windows Server 2000 or higher or on a Unix-like operating system that is running Samba version 4. COM # where tomcat. These are command line utilities that enable you to map the server user name to the application server and its HTTP service. The same holds true for http. Common Internet File System (CIFS) 是一種提供 Windows 電腦使用的檔案服務協定。 對可提供 CIFS client 的 Unix-like 系統亦可連接此共享區。 組建該服務前,應先行建立 CIFS 共享區 ( 共享→ Windows (CIFS) 共享 → Add Windows (CIFS) Share ) 。. This is ok. Then I deleted the SPNs and tried running the commands from the vnx itself using the server_cifs -setspn command and it worked, I was able to connect to the shares using the DNS name. I noticed while looking at wireshark though that the client is doing TGS-REQ for cifs/nt4test and Samba is returning a full TGS-REP. Bug 780686 - CIFS: Trustee info is getting lost when user tried to move a folder on which he was assigned as a trustee. com being the fully qualified machine name. along with NFS/CIFS Yes Yes Yes Yes Yes Power and Thermal Real-time power meter Yes Yes Yes Yes Yes Power thresholds and alerts No Yes Yes Yes Yes Real-time power graphing No Yes Yes Yes Yes Historical power counters No Yes Yes Yes Yes Power capping No No No Yes Yes Power Center integration No No No Yes Yes Temperature monitoring Yes Yes Yes. au FindDomainForAccount: Call to DsGetDcNameWithAccountW failed with return value 0x00000525 Unable to locate account corp. Complete list of the different service types included in HOST of can be found in this technet article. Yes there are specific SPN's for SMB/SMB2 type connections. As I discover more SPNs, they will be added. The result will display the cifs-library server. setspn -L オプション. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. au What problems would this cause? Should this SPN be there by default?. This occured if the share was exported via both NFS and CIFS, if the share was exported from a VDM from CIFS but a physical DM from NFS, and if the share was exported on NFS using an NFS alias that matched its mountpoint name on the VDM. ”domainname” Anything in bold you will obviously have to put in your own info and if you’re using less accounts then some of these will be combined. This indicates that the target server failed to decrypt the ticket provided by the client. The of main concept of the Kerberos protocol regarding Windows services is a Service Principal Names (SPN) records. MSI,运行后 即可在 cmd 下运行 setspn,测试是否安装好,如下所示: 3. SetSPN command-line. Note If Add All Shares is not selected, the same local device name can have each manual share forwarded to a different server. ADS setspn SETSPN ADD SPN [machine] Adds the specified Windows SPN to the 'machine' Windows AD Computer object. netbiosName being the machine name of the computer being joined to the domain, and FQDN. Make sure to remember to register the entries as cifs/ and not http/ on the Front End server's computer account. For example, if the user account is called 'fdpreauth' and the DNS name that will be used to access the user account is 'fd. The system only synchronizes file data to disk when it receives a close request for a file. Nondisruptive operations for Hyper-V over SMB require that the Vserver's CIFS server and the Hyper-V server permit both Kerberos and NTLMv2 authentication. You can run the following SETSPN command: setspn -A MSSQLSvc/ For example, if MySQLServer. Setting Up Kerberos NFS on NetApp Data OnTap 8. using klist. Hi Zachary, I have investigated this case and configured a similar environment as you described. We have tried several workarounds (Delegation, creation of 'Service Principal Names' with SetSpn. • Windows (CIFS): FreeNAS® uses Samba to provide the SMB/CIFS sharing service. So rather than logging on to a customer’s NAV Server, then DomainRead more. SetSPN command-line. Unable to set the servicePrincipalName using ktpass or setspn tools for users and workstations in a DSfW domain. Because I was already logged on. To check if an SPN exists for CIFS, open a command prompt on the AD server and run setspn -l (example: setspn -l. You can do this using SETSPN or using ADSIEdit. COM # where tomcat. However, the NetScaler SD-WAN WANOP appliance is not able to leave the domain. From DC: Use the setspn command (can be found in the Windows 2000 resource kit) to lookup spn and check if it is assigned to the right account. exe and it should list you these 4 SPN's. 受限委派,IIS服务账户iis_svc配置如下,DESKTOP-WIN10是域内另一台主机,下图设置了iis_svc对WIN10-DESKTOP的CIFS服务的委派 受限委派协议流程 受限委派的情况下, 服务账号只能获取某用户的TGS,从而只能模拟用户访问特定的服务。. com:8080 corp. That has fixed the problem. A server's NetBIOS name is what we still use as the single most consistent identifier for file sharing resources. SCSM 2012 use the Kerberos protocol to authenticate clients and servers and encrypt data inside of communication channel. It is available if you have the Active Directory Domain Services (AD DS) server role installed. We wanted to check where is the CIFS/DomainName. Service Principal Names. # We had to set the Service Principal Name if the use of a DNS alias like in the example is needed or the output for the cifs sessions shows NTLM2 instead of Kerberos:. in2pruebas alfrescohttp. The Kerberos protocol uses strong cryptography so that a client can prove its identity to a server (and vice versa) across an insecure network connection. На контроллере домена Windows 2008 R2 [править]. I'm only using that blog entry as a reference on how to add a. setspn -a cifs/alfpru alfrescocifs setspn -a cifs/alfpru. The file contains 156 page(s) and is free to view, download or print. I'm not really sure how you can have a CIFS service on a domain user so I would start by deleting that one. exe is installed with the Active Directory Directory Services role or with RSAT. setspn -a cifs/ cifs setspn -a cifs/. Following step 4, a new Delegation tab appears in Active Directory Users and Computers associated with the user account. If you do get some registered SPN’s back, just make sure that they are not the same as the ones you are about to add, if they aren’t they you can leave them be. If 'machine' is not specified then computer account for this client is used instead. Service Principal Names are registered by services in order for clients to identify them in a domain. Also the user that wants to connect to the database needs to have permission to access the database. au FindDomainForAccount: Call to DsGetDcNameWithAccountW failed with return value 0x00000525 Unable to locate account corp. This article will demonstrate the difference between unconstrained delegation, constrained delegation to any service, and constrained delegation to specified services. This occured if the share was exported via both NFS and CIFS, if the share was exported from a VDM from CIFS but a physical DM from NFS, and if the share was exported on NFS using an NFS alias that matched its mountpoint name on the VDM. Microsoft Windows’ built-in file sharing capabilities are based on CIFS and are therefore available and enabled by default, so you should not need to install new software on a target CIFS or SMB host. When cifs setup is run, the storage controller builds the Kerberos SPN based on the value provided in options dns. Ever have one of those “days” or more like weeks where you are supposed to handle everything but in reality, secretly in the dark shadows of your office you are banging your head and crying because you can’t solve a stupid little problem?. I looked at setspn http records to see if this was going to be needed, however it turned out that enabling delegation in AD for the web node computer accounts was all I needed to do in order to get that to work. exe -D "SPN entry, which needs to be removed" "Service Account or Server Name" Over the weekend, I was working on my lab to simulate an issue, while I observed that the SPN registration was…. This is the reason default UNIX user is set and /etc/passwd is created by cifs setup (pure NFS filers do not have it). So rather than logging on to a customer’s NAV Server, then DomainRead more. For simplicity in this instance I have used a CIFS file share running on a Windows Server VM. For example, administrators can use it to add, delete, and list Windows SPNs stored in an AD computer object. ") fun!! Recently had an issue where an engineer had decided to change an existing SQL Server from using dynamic ports to a static port. This command provides the same basic functionality as the setspn. setspn –L OURSRVACCOUNT1 & then setspn –L OURSRVACCOUNT2 showed that both accounts had MSSQLSvc/OURSQLSERVER. In meinem AD sind alle Client-PCs hinterlegt, Benutzer angelegt usw. setspn -a HTTP/alfpru alfrescohttp setspn -a HTTP/alfpru. This is > today solved by manually setting the SPN on the affected computer accounts > using some ldap tool like ADSI Edit, ldapmodify, setspn. To check if an SPN exists for CIFS, open a command prompt on the AD server and run setspn –l (example: setspn –l. You must verify settings on both the CIFS server and the Hyper-V servers that control what authentication methods are permitted. Event 11 and how to remove duplicate SPN's Posted on February 5, 2014 by Dirk Popelka — 1 Comment Kerberos requires that service principal names be unique to a given resource. in2pruebas alfrescohttp. Enabling Cifs share via alias/cname in DNS → Managing SPN with Setspn. One problem im now having is if i try to connect to my nas via:. Before creating this, you should have run the wizard to create an External Content Switch as you would need to split the traffic, to split External and Internal. 对于 cifs spn 则可以实现完全的远程文件访问。 对于 HTTP SPN 则可能实现接管远程网络服务,而对于 LDAP 则可以执行 DCSync;) ,对于 HTTP 或 SQL 服务帐户,即使它们没有提升目标服务器上的管理员权限,也可能使用 Rotten Potato 进一步滥用,提权至 SYSTEM 的权限),不像. 0 GA3 is installed and working. Setspn is a command-line tool that is built into Windows Server 2008. Command line Active Directory query tool. Does the SPN "HTTPS/xxx" exist ? I have read an article from Joeware website, he explained the SPN mapping in AD, there is a list of mapped SPN within "HOST/" but I can't find any specification about other existing SPN ? Thank you. CIFS and MAPI. Finding the Duplicate SPN in Windows 2008 is very simple, yes we have an updated SETSPN command which has a -X and -Q switch and this can be used to find the Duplicate service principal name setspn -X. The second command also seems to need the SPN added to AD using setspn. Copy the cifs. SETSPN A -adds a SPN to a computer or user account D -deletes a SPN from a user or computer account. c:\>setspn -L hostname http/hostname. com being the fully qualified machine name. So to me there is something that is configured locally by running these commands. Next, you should always verify that the SPN’s have been added by using SetSPN to list the Service Principal Names on the account. while configuring kerberos in Cluster-mode, followed by cifs configuration, which creates a duplicate SPN on ADKDC server, due to which authentication will fail. Rechte dem Dienstkonto zum Lesen/Schreiben des SPN geben Alternativ können Sie dem Dienstkonto, mit dem die SQL-Server-Instanz läuft, das Recht zur Pflege der SPN an ihrem Dienstkonto geben. Configure SSL Compression. setspn -A cifs/172. org is the machine where tomcat servlet container is running and # servercifs is the user previously created. SCSM 2012 use the Kerberos protocol to authenticate clients and servers and encrypt data inside of communication channel. I needed this command a few years back to handle SVM-DR (Cdot 8. SPNs are used by Kerberos authentication to associate a service instance with a service logon account. It is a security feature imposed by the remote host. 5 Administrator 57 If you are not running the web application on port 8080 or if the web application is deployed to a different container or host, you can configure the site to the required location. SetSPN -S HTTP/SharePoint domainserviceaccountname SetSPN -S HTTP/SharePoint. The result will display the cifs-library server. C:\Windows\system32>setspn -l nfs01 Registered ServicePrincipalNames for CN=NFS01,OU=Servers,OU=Devices,dc=addomain,dc=mydomain,dc=pl: NFS/nfs01. Any suggestions? Kind Regards. Then using setspn –D MSSQLSvc/:1433 OURSRVACCOUNT2 removed the duplicate SPN from the second account. netbiosName being the machine name of the computer being joined to the domain, and FQDN. spncheck parameter. setspn -a cifs/ cifs setspn -a cifs/. Whenever a computer is joined to a domain, it is assigned 2 SPN's by default: HOST/netbiosName, and HOST/FQDN. 6_22 with kvno, and I suggest you to use kvno 0. I have two hosts, A and B, and a Server 2016 TP4 management server running Hyper-V Manager. Enter commands: setspn -A MSSQLSvc/server. You can add SPN names to a user with samba. SETSPN is a command to use from an elevated Command Prompt or Powershell window: • The SETSPN command will accept any string in the data part of the command, so triple check what you have typed. It is available if you have the Active Directory Domain Services (AD DS) server role installed. We can verify it in the servicePrincipalName attribute on the server object: And now if we test to browse that share on the IP we can see that we got a Kerberos Service Ticket based on the IP address. com ads After these settings and a reboot of the workstation access to the shares provided by ads2 should be available. The of main concept of the Kerberos protocol regarding Windows services is a Service Principal Names (SPN) records. 最终有效的是为CNAME创buildSPNlogging以指向HOSTNAME(setspn -S HOST / CNAME HOSTNAME等),并突然共享可用。 HOSTNAME机器确实logging了一个错误: “Kerberos客户端收到来自服务器HOSTNAME $的KRB_AP_ERR_MODIFIED错误,使用的目标名称是cifs / CNAME。” 对此我没有find太多的信息,但是. in2pruebas alfrescohttp. Our example CIFS SVM has the name SVM1 and is joined in Active Directory with the CIFS name SVM1 as well. 通过setspn -l tsvc查看配置成功。 然后在“AD用户和计算机”中将tsvc设置为非约束委派模式. au What problems would this cause? Should this SPN be there by default?. Solve this one by using: setspn -A HTTP/ads. According to the MS KB, the AD DC will thunk down requests from cifs/name to host/name when attempting to match the SPN. exe tool, open a command window on the domain controller. It is available if you have the Active Directory Domain Services (AD DS) server role installed. It’s quite old, and we can implement NTLM blocking to disable it, allowing us to increase overall security by instead moving to another protocol such as Kerberos. You can add SPN names to a user with samba. petoulachi a écrit : il s'agit de HTTP/dozer. As I discover more SPNs, they will be added. This can occur when the target server principal name (SPN) is registered on an account other than the account the target service is using. Re: How do I add SPNs to use kerberos for a DNS name for a Unity Nas Server? September 22, 2017 September 25, 2017 Dell Community Dell I need to use a DNS name that is different from the NAS Server name to connect and use kerberos. This is ok. 05/31/2018; 2 minutes to read; In this article. setspn -q host/domainname. All the AD/network calls in the rest of my code can specify which server to talk to (powershell ad calls mostly allow for the "-Server 192. I hope that you found the first blog on troubleshooting Kerberos Authentication problems caused by name resolution informative and learned something about how to review network captures as well as how the SMB protocol works at a high level when reviewing a network trace. This may result in authentication failures or downgrades to NTLM. Running the PowerShell command setspn -Q MSSQLSvc/db01. token size. 受限委派,IIS服务账户iis_svc配置如下,DESKTOP-WIN10是域内另一台主机,下图设置了iis_svc对WIN10-DESKTOP的CIFS服务的委派 受限委派协议流程 受限委派的情况下, 服务账号只能获取某用户的TGS,从而只能模拟用户访问特定的服务。. Just adding Host Records is great if you are using something like FTP to access a folder on a Windows Server but if your in a Windows Environment using SMB/SMB2 to connect to proper network shares you will have issues unless you clean up your SPN's. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Now depending on your environment you need to store the ISO in a highly available location that all your PVS Target VMs can access to get at the ISO file. In order to prevent this from occuring remove the duplicate entries for cifs/ in Active Directory. But the interoperability issue goes far deeper than this. Enabling Cifs share via alias/cname in DNS → Managing SPN with Setspn. So to me there is something that is configured locally by running these commands. CIFS is one of those special Service Classes, similar to HTTP. The SonicWALL WXA series appliance attempts to create the DNS entries automatically for each alias created. Set Service Principal Names. Next, you should always verify that the SPN's have been added by using SetSPN to list the Service Principal Names on the account. exe -D "SPN entry, which needs to be removed" "Service Account or Server Name" Over the weekend, I was working on my lab to simulate an issue, while I observed that the SPN registration was…. Configure Citrix SD-WAN WANOP appliance to optimize secure Windows traffic. 前身为RPC-over-HTTP,随后在Exchange 2007和Exchange 2010中被重命名为Outlook Anywhere。RPC-over-HTTP是在Exchange 2003被提出的,在此之前,外网用户使用Exchange邮箱需要先通过VPN连接到企业内部网络中,随后微软在Outlook中推出新特性Outlook Anywhere,外网用户可以直接通过Outlook Anywhere连接使用Exchange邮箱而无需使用VPN. Troubleshooting binds. Kerberos Delegation. Using DFS Consolidation Root to migrate file servers to new hosts using old share names Published: July 25, 2016 I have recently been working on a large cloud transformation project where we were required to move multiple CIFS file shares from existing servers to new machines utilising Microsoft StorSimple devices for storage. Home › Forums › Microsoft Networking and Management Services › Active Directory › KDC Event ID 11 - Cannot find the duplicate name This topic contains 11 replies, has 3 voices, and was. setspn -S MSSQLSvc/someserver. AppSense Environment Manager 8. org [email protected] На контроллере домена Windows 2008 R2 [править]. When you first obtain tickets, you will have only the ticket-granting ticket. This indicates that the target server failed to decrypt the ticket provided by the client. Make sure to remember to register the entries as cifs/ and not http/ on the Front End server's computer account. setspn -A MSSQLSvc/server. Because “/” is not a valid character for AD account names we’ll have to pick a different name, then use the setspn utility to add the service principal names. Removing the SPN from AD by running setspn -D on a domain controller. It is good practice to add both to the account. au FindDomainForAccount: Call to DsGetDcNameWithAccountW failed with return value 0x00000525 Unable to locate account corp. To view the Kerberos SPNs for the new DNS alias records, use the Setspn command-line tool (setspn. Afin de faciliter l’accès aux shares aux utilisateurs, il est possible de créer des liens symboliques depuis leurs répertoires personnels vers les shares ainsi créés. If a CIFS connection to the system is lost due to a failover event, the CIFS client must establish a new CIFS connection and reopen all of the file handles that were open when the connection was lost. Excellent article describing how Service Principal Names (SPNs) are used by Kerberos and Active Directory: Service Principal Names (SPNs) SetSPN Syntax (Setspn. SetSPN command-line. cifs Note: Remember that ktpass might already have added some of these SPNs automatically. exe -D "SPN entry, which needs to be removed" "Service Account or Server Name" Over the weekend, I was working on my lab to simulate an issue, while I observed that the SPN registration was…. The duplicate name is cifs/ (of type DS_SERVICE_PRINCIPAL_NAME). We then need a DNS alias for CIFS access which is CIFSSHARES. Application object does not support constrained delegation. The CIFS client accesses the Data Mover through its DNS alias, without SPN. I’ve been involved in a number of discussions with customers that all focussed on resource access across domain or even forest boundaries. It’s quite old, and we can implement NTLM blocking to disable it, allowing us to increase overall security by instead moving to another protocol such as Kerberos. 'setspn -Q cifs/nt4test' confirms this. exe, ) but we haven't get. keytab "cifs/madona. You receive confirmation if the reset is successful. Cross realm mappings. setspn –D ServiceClass/Host:Port AccountName. By default UNC only works with the hosts netbios name or IP address. Nondisruptive operations for Hyper-V over SMB require that the Vserver's CIFS server and the Hyper-V server permit both Kerberos and NTLMv2 authentication. I have seen this technet article. We have observed Kerberos event id4 on one member server (Print server )BRAPRINT001 (10. The difference between this application and others that we have done in the past is that when an end-user uses our application, it is that user's credentials that need to be passed to PI-AF for authentication purposes. The key table is populated by default with the service principals host, http, cifs, and nfs. I ran setspn command to show me the duplicate SPNs: setspn. then this has nothing to do with the SPN. Now the real deal: for hyper-v 2016+ if you want to manage remotely with hyper-v manager or powershell (which you kind of almost have to do for the free standalone version, since it only comes in a 'core' flavor) you need to enabled kerberos constrained delegation for CIFS for the storage you want to use (unless it's local to the server). 安装 windows 工具 setspn 注:windows 2008 默认已安装此工具,无需重复安装 插入 win2003 安装光盘,打开光盘资源-SUPPORT--TOOLS,运行 SUPTOOLS. Setspn | Microsoft Docs. If you want to check all the SPN services using setspn, type into powershell or command prompt setspn -Q */*. For example, using setspn to find SPNs linked to a certain computer: setspn -L. CIFS, SMB2/SMB3, and MAPI. Before a client can connect to a service, it must compose the SPN for that instance of service, connect to the service, and. I discovered after some research that the client server was still attempting to connect to my SQL Server using the old account name. Below is a link to a PowerShell script that collects some of this information for you. The module contains three functions: Get-SPN: List SPNs in a Service Account; Add-SPN: Adds new SPNs to a Service Account and Remove-SPN: Removes SPNs from a Service Account. basically, the VirtualServer. CN=SQL Server Service Account). Why would they be associated with users? I won't say that this is the reason for the change, but for a long time Information Security professionals (and bad guys) have exploited the idea that services run as the all powerful "NT AUTHORITY. org:50000 example\SQL_srv_account setspn -S MSSQLSvc/someserver:50000 example\SQL_srv_account So what would I set for the LanmanServer / Serverservice that runs SMB? I guess my question is, if my SMB server runs on port 445, then what should my command look like for setting the SPN?. Next, you should always verify that the SPN's have been added by using SetSPN to list the Service Principal Names on the account. com windows-domain\postmaster 当我运行此命令. Setspn manages the mappings between abstract service names and user accounts. List all SPNs Used in your Active Directory Full article and background here: List all SPNs Used in your Active DirectoryThere are a lot of hints & tips out there for troubleshooting SPNs (service principal names). Microsoft Windows' built-in file sharing capabilities are based on CIFS and are therefore available and enabled by default, so you should not need to install new software on a target CIFS or SMB host. 安装 windows 工具 setspn 注:windows 2008 默认已安装此工具,无需重复安装 插入 win2003 安装光盘,打开光盘资源-SUPPORT--TOOLS,运行 SUPTOOLS. Veeam Software is the leader in Cloud Data Management, providing a simple, reliable and flexible solution for all organizations, from SMB to Enterprise!. Cross realm mappings. com being the fully qualified machine name. Ahora, en la máquina Linux:. Now that we've identified the issue we can go through a couple of different options that will allow us to successfully register the SPN and use Kerberos authentication.