Using this keyword to identify the release level of the Network File System is optional in the IBMLink/Service search argument. However, it is required when you submit an APAR.

1. Issue the MODIFY mvsnfs VERSION command, as shown in Version operand.
2. In output message GFSA944I, find the release level, as shown by R1xx in the following example:

   GFSA944I z/OS Network File System Server release R1xx ....

3. See Type-of-failure keyword.