Backup Not possible Failed to create a VSS snapshot

[Victor ILSP]

I have this log i dont know why i cant do a full backup of SVRPUB17

Please some help


836 1b04 08/31 14:28:07 83760 Servant [---- IMMEDIATE BACKUP REQUEST ----], taskid [8109] Clnt[svrpub17] AppType[Windows File System][33] BkpSet[defaultBackupSet] SubClnt[default] BkpLevel[Full][1]
836 1b04 08/31 14:28:07 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1b04 08/31 14:28:07 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1b04 08/31 14:28:07 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1b04 08/31 14:28:07 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1308 08/31 14:28:08 83760 Scheduler Phase [4-Scan] (0,0) started on [192.168.4.224] in [1] second(s) - ifind.exe -j 83760 -a 2:1099 -t 1 -d svr07.ilspmx.local*svr07*8400*8402 -r 0 -ab 0 -i 1 -cs svr07 -jt 83760:4:1 -systemFiles -mountPath
836 160 08/31 14:28:09 83760 Servant Reg [Control] received. Client [svrpub17] plattype = 4. Token [83760:4:1]
836 160 08/31 14:28:46 83760 Scheduler Set pending cause [Failed to create a VSS snapshot required to run a system state backup; marking the backup job failed.]::Client [svrpub17] Application [FileScan] Message Id [285212727] RCID [0] ReservationId [0]. Level [0] flags [0] id [0] overwrite [0] append [0] CustId[0].
836 160 08/31 14:28:47 83760 Scheduler Phase [Failed] message received from [192.168.4.224] Module [FileScan] Token [83760:4:1] restartPhase [0]
836 160 08/31 14:28:47 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 160 08/31 14:28:47 83760 JobSvr Obj Phase [4-Scan] for Backup Job Failed. Backup will continue with phase [Scan].
836 160 08/31 14:28:47 ##### CvResourceManager::releaseJobStreamsNoRetry() - :RM_TRACE[83760]:CvResourceManager.cpp:10424: No reservation exists for Job 83760
836 1f40 08/31 14:29:16 83760 Service JMDataLinkRelated ret 2 open=0 close=0 update=0 links=0 instance=0 data=0 logs=0 bkpLevel=1
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null
836 1f40 08/31 14:29:16 ##### Either SocketLinkedList, SocketObject or CriticalSectionObject is null