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Some accounts can't log onto OWA after migration

After migrating from GroupWise 6.5 to Exchange Server 2003, some mailbox accounts are unable to log onto Outlook Web Access -- even though permission has been granted.

We are in the process of migrating from GroupWise 6.5 to Exchange Server 2003 on separate servers. One server was formatted with Windows 2003 server installed and promoted to the domain controller. The second was formatted with Windows 2003 installed, joined to the domain, and then Exchange 2003 was installed.

The local Active Directory account is working with Outlook Web Access. Any other accounts I create with Exchange mailboxes will show up, and I'll see messages sent to those accounts with Exchange System Manager. However, I can't log into Outlook Web Access with those accounts, even though OWA is granted for the account.

What error are you getting? You can type in http://servername/exchange/UPN (UPN of the account you are trying to log into). Microsoft provides an array of troubleshooting material for Outlook Web Access. Some of the articles I especially like are:

Do you have comments on this Ask the Expert Q&A? Let us know.
Related information from SearchExchange.com:

  • Learning Center: Troubleshooting Outlook Web Access
  • FAQ: Outlook Web Access
  • Reference Center: Outlook Web Access tips and resources
  • Reference Center: Migration advice

  • Dig Deeper on Exchange Server setup and troubleshooting

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