I found some errors running health checks on my domain controllers. I did not have any problem with users, computers, DNS or DHCP that I notice.
I create a test GPO in DC1 and immediately was in DC2.
I got these errors:
1- There are warning or error events within the last 24 hours after the SYSVOL has been shared. Failing SYSVOL replication problems may cause Group Policy problems.
2- [1] Problem: Missing Expected Value
Base Object: CN=CON-DC1,OU=Domain Controllers,DC=Contosocs,DC=local
Base Object Description: "DC Account Object"
Value Object Attribute Name: msDFSR-ComputerReferenceBL
Value Object Description: "SYSVOL FRS Member Object"
Recommended Action: See Knowledge Base Article: Q312862
[2] Problem: Missing Expected Value
Base Object: CN=CON-DC2,OU=Domain Controllers,DC=Contosocs,DC=local
Base Object Description: "DC Account Object"
Value Object Attribute Name: msDFSR-ComputerReferenceBL
Value Object Description: "SYSVOL FRS Member Object"
Recommended Action: See Knowledge Base Article: Q312862
3- LDAP Error 0x20 (32) - No Such Object. ......................... CON-DC1 failed test
4 DCOM was unable to communicate with the computer XX.XXX.XXX.111 using any of the configured protocols; requested by PID 390 (C:\Windows\system32\dcdiag.exe).
5- DCOM was unable to communicate with the computer XX.XXX.XXX.95 using any of the configured protocols; requested by PID 11e8 (C:\Windows\system32\dcdiag.exe).
These IPs related to the DCOM problem are the forwarders for the web filter.
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