Microsoft KB Archive/119399

= MS DLC Fails to Respond to TEST Frames. =

Article ID: 119399

Article Last Modified on 9/30/2003

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APPLIES TO


 * Microsoft LAN Manager 2.2 Standard Edition

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This article was previously published under Q119399



SYMPTOMS
Applications fail if they are based on the real mode Microsoft Data Link Control (MSDLC) stack and use TEST frames to initiate a connection.



CAUSE
As the default, MSDLC does not pre-allocate SAP transmit buffers, and does not respond to TEST frames sent to any SAP except SAP 0 (Global SAP, reserved).



RESOLUTION
Make this entry to force MSDLC to pre-allocate transmit buffers on SAPs:    PROTOCOL.INI [msdlc_xif] trxbuffers = x where x is the number of buffers to allocate, typically 2.

Additional query words: 2.20

Keywords: KB119399

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