Display Verb Returns Unexpected Results When Channel Connections Are Used

ID: Q245573

The information in this article applies to:

Microsoft SNA Server, versions 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 3.0 SP4, 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3

SYMPTOMS

When a Microsoft SNA Server computer is configured to use a Channel adapter and the APPC management verb DISPLAY is programmatically issued with any of the following member attributes enabled, unexpected results may occur when the verb completes:

Lu_0_3_info
Link_info
Gw_info
Link_def_info

For example, if you follow the steps outlined in the following Knowledge Base articles to build an application to monitor or retrieve status information, the application may fail to produce the expected results if the SNA Server computer is configured to use a Channel adapter.

Q214572 How To Retrieve Link Information For SNA Server Programmatically
Q214629 How To Retrieve 3270 LU Information For SNA Server Programmatically

CAUSE

The APPC management verb DISPLAY returns a DLC type string as part of the overlay information for LU_0_3_info, link_info, gw_info and link_def_info. The DLC types currently supported are IBMTRNET, SDLC, DFT and X25DLC; any other DLC types cause an exception to occur.

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Microsoft SNA Server version 4.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

The English version of this fix should have the following file attributes or later:

File name	Date	Time
Winmgt32.dll	xx/xx/xx	xx:xx

NOTE: Because of file dependencies, the most recent fix that contains the above files may also contain additional files.

WORKAROUND

Added CHANNEL as another option for the returned string.

STATUS

Microsoft has confirmed this to be a problem in SNA Server, versions 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 3.0 SP4, 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3.

Additional query words:

Keywords :
Version : WINDOWS:3.0,3.0 SP1,3.0 SP2,3.0 SP3,3.0 SP4,4.0,4.0 SP1,4.0 SP2,4.0 SP3
Platform : WINDOWS
Issue type :