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Exchange 2007: An Active Directory error 0×8007203A occurred while searching for domain controllers in domain [domain name]

Written by Christian on May 24, 2008 – 6:42 pm


In my test environment, the following error occurred during the Readiness Check of my Exchange 2007 installation:

Setup encountered a problem while validating the state of Active Directory: An Active Directory error 0×8007203A occurred while searching for domain controllers in domain [domain name] : The server is not operational.

My test environment was as follows:

  • One domain controller, running Windows 2003 R2 SP2, 32bit
    • Active Directory
    • DNS
    • DHCP
  • One member server, running Windows 2003 R2 SP2, 32bit
    • Exchange 2007 (trying to install ;-) )

The error 0×8007203A was quite strange, because I was logged on to the domain on my member server.
I took the following steps to solve the problem:

  • Check the Eventlog for errors (in my case, everything was fine)
  • Make sure the member server joined the domain
  • Make sure the DNS adresses are pointed to the DC
  • Create a new user in Active Directory with Domain Administrator rights
  • Re-join the domain (join a workgroup, reboot, and join the domain again)

The final step, seemed to solve the problem. Pretty weird, but oh well, at least I continue the testing phase :-)


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