Microsoft KB Archive/139355

= WINMGT.H Problems with Win32 Structure Packing =

Article ID: 139355

Article Last Modified on 12/5/2003

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APPLIES TO


 * Microsoft SNA Server 2.0, when used with:
 * Microsoft Windows NT 4.0
 * Microsoft SNA Server 2.1, when used with:
 * Microsoft Windows NT 4.0
 * Microsoft SNA Server 3.0, when used with:
 * Microsoft Windows NT 4.0

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This article was previously published under Q139355





SYMPTOMS
When building Win32 applications which use the SNA Server APPC Management Verb functions (DISPLAY and CNOS), the verb control block passed to the SNA Server interface does not have the correct non-packed structure.



CAUSE
The WINMGT.H file is missing the proper packing statements.



RESOLUTION
To resolve this problem, add these lines to the WINMGT.H include file.

At the beginning of these header files, these statements should be added: #ifdef WIN32

#pragma pack(4)

#endif At the end of these header files, these statements should be added: #ifdef WIN32

#pragma pack

#endif



STATUS
Microsoft has confirmed this to be a problem in SNA Server for Windows NT. This problem was corrected in the latest SNA Server for Windows NT, 2.11 U.S. Service Pack. 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

KBCategory: kbnetwork kbprg kbbug2.00 kbbug2.10 kbbug2.11

KBSubcategory: ntnetserv

Additional query words: prodsna 2.00 2.10 2.11

Keywords: kbbug kbfix KB139355

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