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Home » Exchange Server 2010 » Client Connectivity » Troubleshooting Address Book Lookup or Check name Failures

Troubleshooting Address Book Lookup or Check name Failures


 

Typically this error will resemble something like “The name could not be resolved. The name could not be matched to a name in the address list.”

  • Determine if the client is connecting to a GC or CAS in one of two ways: hold the Ctrl Key then “right click” the Outlook Icon on the Task Bar and choose Connection Status; and/or look at the Type Directory and look at the server Name.
  • Capture a trace from the client to see which GC/CAS we are trying to connect to. 
  • If it is a GC, several things on the GC should be checked using DCDiag, NetDiag.
  • If it is a CAS, RPCDump can also show if F5CC (NT Directory NSPI) is listening
  • Also Verify the user is showing in the GAL and not hidden.
  • Verify Kerberos is working.

Praveen Kumar

MCTS | Exchange Server


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