Directory Server Diagnosis

Performing initial setup:

   Trying to find home server...

   Home Server = YOADSRV00

   * Identified AD Forest.
   Done gathering initial info.


Doing initial required tests

     Testing server: Default-First-Site-Name\YOADSRV00

      Starting test: Connectivity

         ......................... YOADSRV00 passed test Connectivity

Doing primary tests

   Testing server: Default-First-Site-Name\YOADSRV00

      Starting test: Advertising

         ......................... YOADSRV00 passed test Advertising

      Starting test: FrsEvent

         ......................... YOADSRV00 passed test FrsEvent

      Starting test: DFSREvent

         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.
         ......................... YOADSRV00 failed test DFSREvent

      Starting test: SysVolCheck

         ......................... YOADSRV00 passed test SysVolCheck

      Starting test: KccEvent

         ......................... YOADSRV00 passed test KccEvent

      Starting test: KnowsOfRoleHolders

         [YOADSRV02] DsBindWithSpnEx() failed with error -2146893022,

         The target principal name is incorrect..
         Warning: YOADSRV02 is the Schema Owner, but is not responding to DS RPC Bind.

         [YOADSRV02] LDAP bind failed with error 8341,

         A directory service error has occurred..
         Warning: YOADSRV02 is the Schema Owner, but is not responding to LDAP Bind.
         Warning: YOADSRV02 is the Domain Owner, but is not responding to DS RPC Bind.
         Warning: YOADSRV02 is the Domain Owner, but is not responding to LDAP Bind.
         Warning: YOADSRV02 is the PDC Owner, but is not responding to DS RPC Bind.
         Warning: YOADSRV02 is the PDC Owner, but is not responding to LDAP Bind.
         Warning: YOADSRV02 is the Rid Owner, but is not responding to DS RPC Bind.
         Warning: YOADSRV02 is the Rid Owner, but is not responding to LDAP Bind.
         Warning: YOADSRV02 is the Infrastructure Update Owner, but is not responding to DS RPC Bind.
         Warning: YOADSRV02 is the Infrastructure Update Owner, but is not responding to LDAP Bind.

         ......................... YOADSRV00 failed test KnowsOfRoleHolders


Solution is as follows


https://support.microsoft.com/en-za/help/2090913/active-directory-replication-error-2146893022-the-target-principal-nam