Display Verb Returns Unexpected Results When Channel Connections Are Used (245573)

The information in this article applies to:

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

This article was previously published under Q245573

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.

214572 How To Retrieve Link Information For SNA Server Programmatically

214629 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

To resolve this problem, obtain the latest service pack for SNA Server 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

215838 How to Obtain the Latest SNA Server Version 4.0 Service Pack

WORKAROUND

To work around this problem, add CHANNEL as another option for the returned string.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

This problem was first corrected in SNA Server 4.0 Service Pack 4.

Modification Type:	Minor	Last Reviewed:	7/15/2004
Keywords:	kbbug kbfix kbSNA400PreSP4fix kbSNA400sp4fix KB245573