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VM backups performed through the NetWorker VMware Protection (NVP) vProxy appliance fail The vProxy log reports: /opt/emc/vproxy/runtime/logs/vbackupd/vbackupd-snapmgr.log2023-02-28T01:24:10Z INFO: Connected to session on vCenter 'vcenter.local' Version '7.0.3 build-20845200, API:7.0.3.0', Uuid:#. 2023-02-28T01:24:10Z INFO: Creating snapshot type 'COPY' with timeout of 30 minutes ... 2023-02-28T01:24:10Z NOTICE: Snapshot free space threshold validation not requested. 2023-02-28T01:24:10Z INFO: Found virtual machine 'VMname' with MORef 'vm-#'. 2023-02-28T01:24:10Z INFO: Host 'esxihost.local' is running 7.0.3. 2023-02-28T01:24:10Z INFO: host version 7.0.3:true 2023-02-28T01:24:11Z ERROR: Snapshot creation task failed: An error occurred while taking a snapshot: Invalid change tracker error code. 2023-02-28T01:24:11Z ERROR: Unable to create quiesced snapshot: An error occurred while taking a snapshot: Invalid change tracker error code. 2023-02-28T01:24:11Z NOTICE: Snapshot free space threshold validation not requested. 2023-02-28T01:24:11Z WARN: Retrying as a non-quiesced snapshot: Unable to create quiesced snapshot: An error occurred while taking a snapshot: Invalid change tracker error code. 2023-02-28T01:24:11Z INFO: Task to create snapshot completed, errors = true. 2023-02-28T01:24:11Z ERROR: Unable to create non-quiesced snapshot after a retry attempt: An error occurred while taking a snapshot: Invalid change tracker error code. 2023-02-28T01:24:11Z INFO: Disconnected from session on vCenter 'vCenter.local'.
A manual attempt to take a snapshot of the VM is failing within vCenter.
Workaround: vMotion the VM to another ESXi host. Run the manual snapshot again. Once a manual snapshot succeeds, the VM backup on the vProxy progresses Contact VMware Support if a manual snapshot fails or if snapshot failures are persistent. Overview of virtual machine snapshots in vSphere (1015180): https://kb.vmware.com/s/article/1015180
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