Knowledge Base

XADM: Error Message: Could not open the file named Mdbmsg.dll

Article ID: 193707

Article Last Modified on 10/28/2006

Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q193707

SYMPTOMS

When you upgrade from Exchange Server 5.5 to Exchange Server 5.5 Service Pack 1, the following error message may appear:

Could not open the file named <drive>:exchsrvr\res\mdbmsg.dll

Abort Retry Fail

CAUSE

The Mdbmsg.dll file is being held open by some process, usually the Event Viewer.

WORKAROUND

Close the process that is holding the Mdbmsg.dll file open and click Retry. The Exchange 5.5 SP1 Setup will continue.

Keywords: kbprb KB193707