Content Analysis (CAS) SNMPv3 get requests are failing on CAS 1.3.7.1 after rebooting the appliance and/or VM.

The SNMP users for SNMPv3 are not persistent across reboots.

This is an issue was corrected in the 1.3.7.3 release of CAS.

Workaround

Use SNMPv2 or reconfigure SNMPv3 after a reboot