Microsoft KB Archive/257578

= XCON: Internet Mail Service Does Not Respond if Recipient Does Not Have an Address Type =

Article ID: 257578

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q257578





SYMPTOMS
The Exchange Server Internet Mail Service may stop responding or "crash" after attempting to deliver a message to an Exchange Server custom recipient that was created by using Lightweight Directory Access Protocol (LDAP).



CAUSE
This issue can occur if one of the recipients in the message has a missing address type in its X.400 address. For example, the address is displayed as follows in the Exchange Administrator program:

G=firstname;S=surname;OU1=orgunit1;O=org;P=prmd;A=admd;C=us

Using a custom-made program that uses LDAP to create the recipient created the preceding address. The address should look like the following address:

X400:c=us;a=admd;p=prmd;o=org;ou1=orgunit1;s=surname;g=firstname;

The missing address type causes the issue with the Internet Mail Service.



RESOLUTION
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 the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack



WORKAROUND
To work around this issue as an alternative to applying this fix, ensure that any recipients that are created outside of the Exchange Server Administrator program have correct address types in their proxy addresses.



STATUS
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.

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB257578

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