We need to update our ldap configuration in DE and was able to apply it on Primary server. But it's not getting applied in Standby server. I have restarted standby server couple of time. We're seeing this in all our environments (DEV, UAT and PROD). I'm attaching screenshot for your reference.
Release : 12.2
Component : CA WORKLOAD AUTOMATION DE (DSERIES)
You should now see that the LDAP server definition matches on both Primary and Standby server.
If this does not resolve, then:
Due to connection reset from Domain Controller in AWS environment.
Finally, if none of the above work, as a very last resort: