An SNMP Profile is not listed in the SNMP tab when editing the Discovery Profile.
All other SNMP Profiles are present.
The SNMP Profile is enabled and valid, and does not have User for SNMP Set enabled.
Global Sync and Data Aggregator sync cycles are current and error free.
Other new SNMP Profiles created are being seen in Discovery Profiles.
Undetermined after finding issue is specific to this one SNMP Profile.
Performance Management r3.7.9
With only a single SNMP Profile showing the problem, and new ones not showing the issue, the problem SNMP Profile was deleted and recreated to resolve the problem.