SBS2000 and AD looks as if it’s down

My managed SBS2000 had some warnings regarding NTFrs: Event Type: ErrorEvent Source: NtFrsEvent Category: NoneEvent ID: 13561Date: 6/2/2006Time: 2:32:55 PMUser: N/AComputer: MYDCDescription:The File Replication Service has detected that the replica set "DOMAIN SYSTEM VOLUME (SYSVOL SHARE)" is in JRNL_WRAP_ERROR. Replica set name is : "DOMAIN SYSTEM VOLUME (SYSVOL SHARE)" Replica root path is : "c:winntsysvoldomain"…