XIMS: Exchange Server Internet Mail Service Stops Responding with a Particular Message (239816)
The information in this article applies to:
- Microsoft Exchange Server 5.5
- Microsoft Exchange Server 5.5 SP1
- Microsoft Exchange Server 5.5 SP2
This article was previously published under Q239816 SYMPTOMS
When a message is sent to a domain whose mail servers are currently unavailable and the message has a subject that includes the substring "%s", the Internet Mail Service may stop responding (crashes) if the SMTP
protocol logging is set to Maximum.
CAUSE
The crash occurs when the "499 No routing hosts are reachable" error is written into the SMTP log file. The original string to be written is:
"7/5/99 9:31:55 PM : 499 No routing
hosts are reachable for test.com. Message subject: ""RE:33%s5%s99"". Rescheduling
delivery for later."
The Internet Mail Service fails to determine whether "%s" is a substring or a specification of a substring.
RESOLUTIONTo 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 the
Microsoft Knowledge Base:
191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack
WORKAROUND
Disable SMTP protocol logging.
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Exchange Server 5.5 Service Pack 4.
| Modification Type: | Major | Last Reviewed: | 10/2/2003 |
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| Keywords: | kbbug kbExchange550preSP4fix kbExchange550sp4Fix kbfix kbQFE KB239816 |
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