Ciao a tutti, ho un server Windows 2003 Sp2 dove sono installati Sql 2000 Enterprise Edition Sp4 e Sql 2005 in modalità SideBySide. Ho il seguente problema quando parte il backup con Ntbackup. ================== Event Type: Error Event Source: SQLVDI Event Category: None Event ID: 1 Date: 14/05/2007 Time: 02:00:10 User: N/A Computer: SRV-08 Description: SQLVDI: Loc=CVDS::Cleanup. Desc=Release(ClientAliveMutex). ErrorCode=(288)Attempt to release mutex not owned by caller. . Process=6112. Thread=648. Client. Instance=. VD=. ================== Event Type: Error Event Source: SQLVDI Event Category: None Event ID: 1 Date: 14/05/2007 Time: 02:00:11 User: N/A Computer: SRV-08 Description: SQLVDI: Loc=CVDS::Cleanup. Desc=Release(ClientAliveMutex). ErrorCode=(288)Attempt to release mutex not owned by caller. . Process=1916. Thread=5460. Client. Instance=SQL2005. VD=. ================ Non riesco a trovare una risposta. Avete suggerimenti. Grazie Gabriele