SCV backup job fails due to errors in Quiescing Applications and Unquiescing Applications phases
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- Category:
- snapcenter
- Specialty:
- snapx
- Last Updated:
- 5/23/2025, 6:00:19 AM
Applies to
- SnapCenter Plug-In for VMware vSphere (SCV) 4.3 and later
- VMware Tools is running on virtual machines
Issue
- SCV backup job fails due to errors in Quiescing Applications and Unquiescing Applications phases:
Error: Unable to quiesce on SCV: Exception occurred when quiescing virtual machines: VM1, VM2, VM3....Please check 'Create virtual machine snapshot' task on vSphere Web Client or SnapCenter Plug-in for VMware vSphere logs for detailed error message.
Error: Unable to unquiesce on SCV: Exception when unquiescing virtual machines: VM1, VM2, VM3.....Please check 'Remove all snapshots' task on vSphere Web Client or SnapCenter Plug-in for VMware vSphere logs for detailed error message.
vmcontrol_<JOB_ID>.log
showsCreateSnapshot_Task
detects exception "An error occurred while quiescing the virtual machine
"
DEBUG <HOST> --- [-13873-thread-1] c.n.a.v.VsphereService : VsphereUtils: Monitoring Task CreateSnapshot_Task
DEBUG <HOST> --- [-13873-thread-1] c.n.a.v.VsphereService : VsphereUtils:State=error(0%)
ERROR <HOST> --- [-13873-thread-1] c.n.a.v.VsphereService : An error occurred while quiescing the virtual machine. See the virtual machine's event log for details.
DEBUG <HOST> --- [-13873-thread-1] c.n.a.b.QuiesceManager : VMware snapshot status : Failure
DEBUG <HOST> --- [-13873-thread-1] c.n.a.b.QuiesceManager : exceptionDuringQuiesce : true
wfe_<JOB_ID>.log
also indicates that quiescing virtual machines fails:
DEBUG <SCV> --- [ Thread-8] c.n.w.u.LogHelper : Starting Quiesce activity
DEBUG <SCV> --- [ Thread-8] c.n.w.r.SCVBackupServiceImpl : Quiesce on SCV
DEBUG <SCV> --- [ Thread-8] c.n.w.r.u.RestClientUtil : Connecting to scv url: https://localhost:8144/scbr/smcoreplugin/quiesce
ERROR <SCV> --- [ Thread-8] c.n.w.r.SCSClientImpl : conn.getResponseCode(): 200
ERROR <SCV> --- [ Thread-8] c.n.w.r.SCVBackupServiceImpl : Unable to quiesce on SCV: Exception occurred when quiescing virtual machines: <VM>.Please check 'Create virtual machine snapshot' task on vSphere Web Client or SnapCenter Plug-in for VMware vSphere logs for detailed error message.