SNA Manager Traps When Assigning Multiple LUs to a Workstation (180728)

The information in this article applies to:

Microsoft SNA Server 3.0
Microsoft SNA Server 3.0 SP1
Microsoft SNA Server 3.0 SP2

This article was previously published under Q180728

SYMPTOMS

An Access Violation occurs in SNAEXP.EXE after assigning multiple LU's to a workstation. When this problem was observed, SNAEXP.EXE failed with an access violation (0xC0000005) in the following routine:

snaexp!CAboutDlg__`RTTI Complete Object Locator'

CAUSE

SNA Manager was not properly releasing an object, leading to an access violation.

STATUS

Microsoft has confirmed this to be a problem in Windows NT SNA Server 3.0, 3.0 Service Pack 1 (SP1), and 3.0 SP2.

This problem was corrected in the latest SNA Server version 3.0 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

MORE INFORMATION

To reproduce this problem with SNA Manager, follow these steps:

Create a few display LUs called TestA, TestB and TestC.
Assign TestB to a workstation
Right Click the workstation and select assign to and then select all LUs.
An error message will occur stating that the LU is already assigned.
Assign the LU's in different variations.

This problem was fixed in the retail release of SNA Server 4.0.

Modification Type:	Minor	Last Reviewed:	7/15/2004
Keywords:	kbbug kbfix KB180728