Category: NTDSUtil

• Using NTDSUTIL Metada Cleanup to Remove a Failed/Offline Domain Controller Object.

  In this post, I would like to talk about using the ntdsutil utility for metadata cleanup. A domain controller failure ‘DC00’ recently occurred in my lab. Running the repadmin /replsum command confirmed a replication error and showed DC00 as unavailable: Since a dcpromo was obviously out of the question, I used the Ntdsutil metadata cleanup…

  jbernec

  January 27, 2014

  Active Directory, Active Directory Domain Services, AD Forest, DCPromo, Domain Controller, DSRM, Flexible Single Master Operations, FSMO, NTDSUtil, Windows Server 2008 R2, Windows Server 2008 R2 Backup, Windows Server 2012, Windows Server 2012 R2

  Active Directory, DNS, Domain controller, Flexible Single Master Operations, FSMO, metadata cleanup, ntdsutil

• Deploying a Windows Server 2012 R2 Domain Controller in an existing Win2003 Functional Level Domain.

  My first task before deploying a Windows Server 2012 R2 Domain Controller in a Windows Server 2003 forest functional level environment was to run the Test-ADDSDomainControllerInstallation cmdlet and determine my domain environment’s readiness to accept the new Windows Server 2012 R2 Domain Controller installation without any glitches: [ws2012r2]: PS C:\Users\admin\Documents> Test-ADDSDomainControllerInstallation -DomainName genesys.net | fl…

  jbernec

  December 30, 2013

  Active Directory, Active Directory Domain Services, AD Forest, DCPromo, Domain Controller, DSRM, Flexible Single Master Operations, FSMO, NTDSUtil, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2

  Active Directory, Cmdlets, dcdiag, DNS, Domain controller, Flexible Single Master Operations, FSMO, Operations Master, Powershell 3.0, Schema Version, Windows PowerShell, WS2012 R2

• Seizing Active Directory FSMO (Flexible Single Master Operations ) roles with Powershell.

  I have been running 2 Virtual Machines as Active Directory Domain Controllers in the Lab for sometime now. DC00 was running Windows Server 2003 R2 and DC01 is running Windows Server 2008 R2. But recently I lost a Hyper-v machine hosting DC00 Domain Controller VM, I had no replica available to immediately failover and didn’t…

  jbernec

  December 23, 2013

  Active Directory, Active Directory Domain Services, AD Forest, Domain Controller, Flexible Single Master Operations, FSMO, NTDSUtil, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2

  Active Directory, Cmdlets, Domain controller, Flexible Single Master Operations, FSMO, ntdsutil, Operations Master, Powershell 3.0, Windows PowerShell

• How to Restore an Active Directory Object from Backup.

  In this post, I am going to talk about my experience doing an Authoritative Restore of a deleted Active Directory user object. The steps were completed by restoring from a previous System State backup and using the ntds utility. I started by deleting a test AD user: Ryan Smith from the Accounting_OU Organizational Unit in…

  jbernec

  September 17, 2013

  Active Directory, BCDEdit, DSRM, NTDSUtil, PowerShell, PowerShell 3.0, Windows Server 2008 R2, Windows Server 2008 R2 Backup

  Active Directory, ntdsutil, Restore, wbadmin, Windows Server 2008 R2