When SMSDOM is running, the Domino server crashes frequently on "nServer" with "PANIC: LookupHandle: handle out of range".
If you're running Symantec Mail Security for Domino (SMSDOM) version 8.0.5 or 8.0.6 on a Windows x64 server, please follow the steps below to resolve this issue by applying a patch file.
Please also note that this issue is resolved in the SMSDOM 8.0.7.
Note: These resolution steps only apply to Symantec Mail Security for Domino version 8.0.5 and 8.0.6 on 64-bit architectures.
Download the extension library "nnem.dll" attached below.
Stop the Domino server.
Create a backup copy of the existing library "nnem.dll". The file is located generally under C:\Program Files\IBM\Lotus\Domino
Replace the existing "nnem.dll" with the one you downloaded at step 1
Start Domino server.
This issue was observed with Domino Server version 8.5.1 (64-bit) and SMSDOM 220.127.116.11 (64-bit), installed on Windows 2003 (64-bit) or Windows 2008 (64-bit).
The FATAL THREAD could be any Server Task process executed within Domino. In the first FATAL THREAD section of the nsd log, text similar to the following appears. Bold text is identical in every nsd log for a PANIC of this type.