The following error messages may appear in the Outlook client when the RPC registry entries are missing or corrupted:

• The name could not be resolved. The Microsoft Exchange address book was unable to logon to the Microsoft Exchange Server computer.

   
• Outlook could not logon. Check to make sure you are connected to the network and are using the proper server and mailbox name.

   
• The name could not be resolved. Network problems are preventing connection to the Microsoft Exchange Server computer. Contact your system administrator if this condition persists.

   
• Your logon information was incorrect. Check your username and domain, then type your password again. If your account is new or if your administrator requested a password change you need to click Change Password then logon with your new password.

   
• Cannot Start Microsoft Outlook. The attempt to log on to the Microsoft Exchange Server computer has failed.
• The server containing the global address list is no longer available. You can reconnect to a different server by restarting Outlook or retry the operation when the server is reachable.

   
• The connection to the Microsoft Exchange Server is unavailable. Outlook must be online or connected to complete this action.

   

  Praveen Kumar

  MCTS | Exchange Server