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AD won't sync RRS feed

  • Question

  • My company is finally updating from Windows server 2003 R2 to 2008 R2.  

    Over a year ago the 2008 server was started up, synced to the AD on the 2003 server, then shut off and not touched until recently.  We are now learning that since it has been more than max allowed time since the two server have synced up, AD does not want to connect the 2 anymore.  

    Is there a way, short of reformatting the entire server, to get them to play nice?

    Thanks,

    -Justin

    Monday, July 6, 2015 6:34 PM

Answers

  • Just to make sure : The 2008R2 server was shutoff?

    You do not need to format the 2008R2 server.

    Option 1 rejoin the domain on the 2008R2 server

    1) unplug the 2008R2 server from the network. (make sure you can log into the server)

    2) DCPromo the 2008R2 box back to a member server

    3) Remove 2008R2 server from the domain and make it a member of workgroup (random name)

    4) Connect the 2008R2 server back to the network

    5) DCPromo the 2008R2 server back as a domain controller.


    Monday, July 6, 2015 6:50 PM
  • Hi,

    In addition to others.

    Please check if you could remove the Active Directory role. you need remove it from the server then cleanup manually on a good domain controller.

    •Disconnect the problem server from the network to prevent any of this from potentially breaking active directory on the good servers.
    •On the problem server, run dcpromo /forceremoval. This allows you to remove active directory on the system without removing all it's records on the other domain controllers.
    •Use ntdsutil from a good domain controller to remove the problem server from active directory. Instructions are in the help link when you run dcpromo /forceremoval, or here: http://technet.microsoft.com/en-us/library/cc736378%28WS.10%29.aspx

    •Delete the server object in AD Sites and Services

    •Delete the server in AD Users and Computers if it still exists

    •Delete the server from DNS.

    •Repromote the problem server and configure site settings like you would a brand new DC.

    Please feel free to let us know if you have any update about the issue.

    Regards.


    Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com


    Wednesday, July 8, 2015 9:41 AM
    Moderator

All replies

  • Just to make sure : The 2008R2 server was shutoff?

    You do not need to format the 2008R2 server.

    Option 1 rejoin the domain on the 2008R2 server

    1) unplug the 2008R2 server from the network. (make sure you can log into the server)

    2) DCPromo the 2008R2 box back to a member server

    3) Remove 2008R2 server from the domain and make it a member of workgroup (random name)

    4) Connect the 2008R2 server back to the network

    5) DCPromo the 2008R2 server back as a domain controller.


    Monday, July 6, 2015 6:50 PM
  • Hi,

    In addition to others.

    Please check if you could remove the Active Directory role. you need remove it from the server then cleanup manually on a good domain controller.

    •Disconnect the problem server from the network to prevent any of this from potentially breaking active directory on the good servers.
    •On the problem server, run dcpromo /forceremoval. This allows you to remove active directory on the system without removing all it's records on the other domain controllers.
    •Use ntdsutil from a good domain controller to remove the problem server from active directory. Instructions are in the help link when you run dcpromo /forceremoval, or here: http://technet.microsoft.com/en-us/library/cc736378%28WS.10%29.aspx

    •Delete the server object in AD Sites and Services

    •Delete the server in AD Users and Computers if it still exists

    •Delete the server from DNS.

    •Repromote the problem server and configure site settings like you would a brand new DC.

    Please feel free to let us know if you have any update about the issue.

    Regards.


    Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com


    Wednesday, July 8, 2015 9:41 AM
    Moderator