Microsoft KB Archive/181122

= Event ID 627 Running SNA Services Under WinNT User Account =

Article ID: 181122

Article Last Modified on 9/22/2005

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APPLIES TO


 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 3.0 Service Pack 2
 * Microsoft SNA Server 4.0

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This article was previously published under Q181122



SYMPTOMS
If a Windows NT service is written to use the SNA Server APPC, CPIC, LUA, or 3270 EIS API interfaces, and the Windows NT service is not running under an account with administrator privileges, the application will fail to work.

This can be reproduced by trying to start the SNA Server AFTP Server service under a Windows NT user account. This causes the following Windows NT application event to be logged:

Event ID: 627

Source: SNA Server

Description:

Internal message routing error: process id, mhtype 15, msgtype 0

The equivalent application does run correctly under the same user context when run interactively.



CAUSE
SNA Server was originally designed to restrict Windows NT services to only run in administrative-level accounts (to accommodate requirements on the SNA Server services themselves). However, this restriction is not necessary for services that need access to the SNA Server API interfaces.



STATUS
Microsoft has confirmed this to be a problem in SNA Server versions 3.0, 3.0 SP1, 3.0 SP2, and 4.0. This problem was corrected in the latest SNA Server version 4.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbbug kbfix kbqfe kbhotfixserver KB181122

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