Microsoft KB Archive/922336

= FIX: A receive location that uses the POP3 adapter may be disabled unexpectedly when you receive a malformed message in BizTalk Server 2006 =

Article ID: 922336

Article Last Modified on 11/15/2007

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APPLIES TO


 * Microsoft BizTalk Server 2006 Standard Edition
 * Microsoft BizTalk Server 2006 Enterprise Edition
 * Microsoft BizTalk Server 2006 Developer Edition

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SYMPTOMS
In Microsoft BizTalk Server 2006, a receive location that uses the POP3 adapter may be disabled unexpectedly when you receive a malformed message.

Additionally, a warning message that resembles the following may be logged in the Application log in Event Viewer: Event Type: Warning Event Source: BizTalk Server 2006 Event Category: BizTalk Server 2006 Event ID: 5740 Description: The adapter &quot;POP3&quot; raised an error message. Details &quot;The POP3 adapter received an invalid response from the server. URL: POP3://ServerURL&quot;. Note  is the name of the POP3 server.



Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart requirement
You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



WORKAROUND
To work around this problem, manually delete the malformed message from the POP3 mailbox.



MORE INFORMATION
Before you apply the hotfix that is described in this article, the POP3 adapter will retry processing the malformed message until the POP3 adapter reaches the error threshold. After the error threshold is reached, the POP3 adapter is disabled. Therefore, valid messages in the mailbox are not processed as expected.

After you install this hotfix, the malformed message is suspended, and the POP3 adapter processes subsequent messages as expected.

