If 1st Thunked LUA App Is Closed, Other LUA Calls Not Processed

• Microsoft SNA Server, versions 2.11 and 2.11 SP1

SYMPTOMS

In a case where two or more 16-bit LUA applications are using the thunked LUA library, the library no longer processes any LUA verbs once the first application to start is closed (where WinSliCleanup() or WinRuiCleanup() was issued).

CAUSE

This is because the thunked library creates a window for processing asynchronous messages in the first API call, and when the first application is closed, that window is closed. However, all asynchronous notification messages are still sent to that (now non-existent) window handle.

RESOLUTION

Apply the fix referenced below.

STATUS

Microsoft has confirmed this to be a problem in SNA Server versions 2.11 and 2.11 Service Pack 1 (SP1). A supported fix is now available for SNA Server 2.11 SP1, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.