Error seen when Gateways report in and also on many CEM enabled systems:
Failed validation of certificate by request: '10.40.160.78' (serial: E8B3B78D81EFDDB371B27367AC4055F1D5A0E992, thumbprint: E8B3B78D81EFDDB371B27367AC4055F1D5A0E992):
Thumbprint 'E8B3B78D81EFDDB371B27367AC4055F1D5A0E992' Serial '024769CA1CAD6E823927F2AF9D151CD653048DB2' Issuer 'CN=SMP ' 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.