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DC is not in the domain controller's OU RRS feed

  • Dotaz

  • I got problems with my DC and ran DCDIAG which reported a problem i don't know how to fix:

          Starting test: MachineAccount

             Checking machine account for DC DC2 on DC DC2.
             * The current DC is not in the domain controller's OU

             The account DC2 is not trusted for delegation.  It cannot replicate.

             The account DC2 is not a DC account.  It cannot replicate.

             Warning:  Attribute userAccountControl of DC2 is: 0x1000 = ( WORKSTATION_TRUST_ACCOUNT )

             Typical setting for a DC is 0x82000 = ( SERVER_TRUST_ACCOUNT | TRUSTED_FOR_DELEGATION )

             This may be affecting replication?

             * SPN found :LDAP/DC2.xxxx.local/xxxx.local
             * SPN found :LDAP/DC2.xxxx.local
             * SPN found :LDAP/DC2
             * SPN found :LDAP/DC2.xxxx.local/xxxx
             * SPN found :LDAP/d1655dfb-59e5-48b3-8c68-232b4d3aaca0._msdcs.xxxx.local
             * SPN found :E3514235-4B06-11D1-AB04-00C04FC2DCD2/d1655dfb-59e5-48b3-8c68-232b4d3aaca0/xxxx.local
             * SPN found :HOST/DC2.xxxx.local/xxxx.local
             * SPN found :HOST/DC2.xxxx.local
             * SPN found :HOST/DC2
             * SPN found :HOST/DC2.xxxx.local/xxxx
             * SPN found :GC/DC2.xxxx.local/xxxx.local
             ......................... DC2 failed test MachineAccount

    pondělí 18. listopadu 2019 22:36

Odpovědi

  • Should find it here.

     

     

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 14:37
  • May need to restore a known good recent backup.

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 16:31
  • How is Exchange going to "behave" if i restore a 2 month old version off the DC (there is no change of users in that time frame)?

    I'd ask that one of experts in dedicated forums over here.

    https://social.technet.microsoft.com/Forums/office/en-US/home?category=exchangeserver

     

    (please don't forget to mark helpful replies as answer)

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 16:53
  • Expanded tree further - but still problem:  https://1drv.ms/u/s!AtStjN0soI68ezjHf6lyFfcsrd4?e=ckAna7

    The Domain Controller is running in an Hyper-v environment and i just restored a 1 year old version (without network connection) and the UAC=0x82000.

    How is Exchange going to "behave" if i restore a 2 month old version off the DC (there is no change of users in that time frame)?

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 16:49

Všechny reakce

  • Assuming other DCs, you might transfer or seize roles to another healthy one, demote, reboot, promote again.

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    pondělí 18. listopadu 2019 22:45
  • No DC2 is the only domain controller in the domain.
    úterý 19. listopadu 2019 7:17
  • Hello,

    Thank you for posting in our forum.

    Agree with Dave.If we have other DCs ,we should transfer/seize FSMO roles to another healthy DC,then demote old DC,reboot,promote again.

    For the transfer of FSMO roles, we can refer to:Step-By-Step: Migrating Active Directory FSMO Roles From Windows Server 2012 R2 to 2016 

    For demoting old DC, we can refer to:Demoting Domain Controllers and Domains 


    More information about metadata clean up please refer to the following article:Clean up Active Directory Domain Controller server metadata  

    Best regards,
    Cynthia

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    úterý 19. listopadu 2019 8:33
  • I found this guide which i think apply:

    https://support.microsoft.com/en-au/help/2022387/active-directory-replication-error-8453-replication-access-was-denied

    But I'm not able to "7 . Double-click the UserAccountControl attribute, and then record its decimal value" because the attribute don't show up in the list.

    úterý 19. listopadu 2019 9:46
  • No DC2 is the only domain controller in the domain.
    Please run;
    • Dcdiag /v /c /d /e /s:%computername% >c:\dcdiag.log
    • repadmin /showrepl >C:\repl.txt
    • ipconfig /all > C:\dc1.txt
    • ipconfig /all > C:\dc2.txt

      then put unzipped text files up on OneDrive and share a link.

     

     




    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    úterý 19. listopadu 2019 13:16
  • Hi Dave,

    The link: https://1drv.ms/u/s!AtStjN0soI68gR1oI86rimSXxDuv?e=c51Ncm

    /Lars

    úterý 19. listopadu 2019 13:42
  • There is only ONE domain controller and an Exchange server (both 2016 4393.3326 / CU11) in the domain.

    /Lars

    úterý 19. listopadu 2019 13:46
  • I'd check in ADUC that the domain controller is in Domain Controllers OU

    Also appears that the userAccountControl attribute is 0x1000 where it should be 0x82000

    https://support.microsoft.com/en-us/help/305144/how-to-use-useraccountcontrol-to-manipulate-user-account-properties

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    úterý 19. listopadu 2019 13:57
  • Yes i have figured out that the "MachineAccount" is set to 0x1000 = ( WORKSTATION_TRUST_ACCOUNT ) => 0x82000.

    I can't find the MachineAccount" in ADUC.

    I tried to fix it according to (as mentioned just before your first posting): https://support.microsoft.com/en-au/help/2022387/active-directory-replication-error-8453-replication-access-was-denied

    I'm logged in as domain\administrator.

    úterý 19. listopadu 2019 14:12
  • Should find it here.

     

     

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 14:37
  • All OU folders are missing - screen dump:

    https://1drv.ms/u/s!AtStjN0soI68ezjHf6lyFfcsrd4?e=ey7Mzo

    úterý 19. listopadu 2019 16:14
  • May need to restore a known good recent backup.

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 16:31
  • Expanded tree further - but still problem:  https://1drv.ms/u/s!AtStjN0soI68ezjHf6lyFfcsrd4?e=ckAna7

    The Domain Controller is running in an Hyper-v environment and i just restored a 1 year old version (without network connection) and the UAC=0x82000.

    How is Exchange going to "behave" if i restore a 2 month old version off the DC (there is no change of users in that time frame)?

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 16:49
  • How is Exchange going to "behave" if i restore a 2 month old version off the DC (there is no change of users in that time frame)?

    I'd ask that one of experts in dedicated forums over here.

    https://social.technet.microsoft.com/Forums/office/en-US/home?category=exchangeserver

     

    (please don't forget to mark helpful replies as answer)

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    • Označen jako odpověď Regamoks úterý 19. listopadu 2019 17:44
    úterý 19. listopadu 2019 16:53
  • Thanks for the help!

    I made the "mark"

    úterý 19. listopadu 2019 17:45
  • Sounds good, you're welcome.

     

     



    Regards, Dave Patrick ....
    Microsoft Certified Professional
    Microsoft MVP [Windows Server] Datacenter Management

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees, and confers no rights.

    úterý 19. listopadu 2019 17:49