NWCONFIG-X-403: ISSLIB.NLM (Install Server To Server I/O Library NLM) must be loaded in order to access the remote server specified in the installation source path: path.
Source: NWCONFIG.NLM
Explanation: The attempted operation requires that the file ISSLIB.NLM be loaded. Verify that this file exists, is executable, and is in the server's search path.
Action: Check for the possible problems listed above. See Resolving Volume I/O Errors in the Traditional File Services Administration Guide.