Microsoft KB Archive/152344

= XCLN: Winsock Application Starts When Exchange Client Starts =

Article ID: 152344

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Client 5.5
 * Microsoft Exchange Client 5.0

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This article was previously published under Q152344



SYMPTOMS
When you install a Microsoft Exchange client for Windows 3.x on a computer that is running both the IPX/SPX and TCP/IP network protocols, even if you configure the Microsoft Exchange client to use just the IPX/SPX protocol, when you start the Microsoft Exchange client, it will make a call to Winsock.dll. This might cause a Winsock application to attempt to dial the modem that it is configured to use.



RESOLUTION
You can also remove the winsock application from the path statement.



MORE INFORMATION
Removing TCP/IP from the binding order will not resolve this problem.



STATUS
Microsoft has confirmed this to be a problem in the Microsoft Exchange clients listed at the beginning of this article. This problem was corrected in Microsoft Exchange Server 4.0 U.S. Service Pack 2. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

If SP2 does not seem to fix this issue, you may need to add the following line to the MAPISVC.INF file to disable Winsock:

  [MSEMS_MSMail_Section] 66180003=01000000

To disable both Winsock and the IPX protocol, use this line:

  [MSEMS_MSMail_Section] 66180003=03000000

Once you add either of these lines, you will need to create a new profile with the original profile's settings.

Additional query words: tcp tcpip ip sockets autodial faq proxy exclnfaq

Keywords: kb3rdparty KB152344

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