SNA Manager displays "Status Unavailable" for a server that is currently active.
In certain, rare situations, this problem occurs because there is a deadlock in a shared memory area that prevents the SNA Manage Agent services from sending status updates to the SNA Manage Client process.
Cumulative Update Information:
The fix that resolves this problem is included in the following cumulative updates for Host Integration Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.