This article was previously published under Q263457
This article has been archived. It is offered "as is" and will no longer be updated.
During normal operation, the Exchange Server information store service may cause an access violation (Dr. Watson) when the information store attempts to process an outbound message that contains a X.400 address that is greater than 1,024 characters. The Drwatson.log file may contain a call stack similar to the following if symbols are properly installed:
This issue can occur because no check is made to determine whether an X.400 address is longer than 1,024 characters. When an X.400 address is longer than 1,024 characters, stack corruption occurs and causes the access violation.
To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
191914 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack
The following files are available for download from the MicrosoftDownload Center:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4.