COMTI: Deallocate Issued to Host for Every COMTI Transaction (278331)


The information in this article applies to:

  • Microsoft SNA Server 4.0
  • Microsoft SNA Server 4.0 SP1
  • Microsoft SNA Server 4.0 SP2
  • Microsoft SNA Server 4.0 SP3
  • Microsoft COM Transaction Integrator for CICS and IMS 1.0
  • Microsoft COM Transaction Integrator for CICS and IMS 1.0 SP1
  • Microsoft COM Transaction Integrator for CICS and IMS 4.0 SP2
  • Microsoft COM Transaction Integrator for CICS and IMS 4.0 SP3
  • Microsoft Host Integration Server 2000
This article was previously published under Q278331

SYMPTOMS

COM Transaction Integrator (COMTI) issues an Advanced Program-to-Program Communications (APPC) deallocate, even if no transaction call is made to the host program due to invalid data passed into COMTI from the client program. When the host receives this deallocate, an error log entry is created on the host; this has caused resource problems in some host environments.

RESOLUTION

To resolve this problem, obtain the latest service pack for Host Integration Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

328152 How to Obtain the Latest Host Integration Server 2000 Service Pack


STATUS

Microsoft 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 Host Integration Server 2000 Service Pack 1.

MORE INFORMATION

COMTI always checks the input that is coming in from the client to make certain that the datatypes are valid for the parameters that are being passed up to the host. If there is a problem with the data, COMTI posts an event, raises an error to the client, and then cleans up the APPC session. In cleaning up the APPC session, COMTI also issues a deallocate to the host. The hotfix changes the behavior of COMTI so that it does not issue the deallocate if the host transaction program is not called.
Modification Type:MinorLast Reviewed:5/4/2005
Keywords:kbbug kbfix kbHostIntegServ2000preSP1fix kbHostIntegServ2000SP1fix kbSNA400PreSP4fix kbSNA400sp4fix KB278331
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