Error seen when Gateways report in and also on many CEM enabled systems:
Failed validation of certificate by request: ''<IPValue> (serial: <SerialValue>, thumbprint: <ThumbprintValue>):
Thumbprint '<ThumbprintValue>' Serial '<SerialValue>' Issuer 'CN=''<HOSTNAME> Subject 'CN='
ITMS 8.x
There has been a Point Fix included in the latest 8.6 RU3 Cumulative Point Fix
CUMULATIVE POST ITMS 8.6 RU3 POINT FIXES
Please download and install the SMP_SMA v10 or later point fix to resolve this issue.