Veeam Back up restore failed with error "ERROR: PBM error occurred during PreReconfigureCallback: Fault cause: vmodl.fault.SystemError"

Products

• VMware vCenter Server

Issue/Introduction

Veeam backup restore on the vCenter server failed with the error:

ERROR: PBM error occurred during PreReconfigureCallback: Fault cause: vmodl.fault.SystemError

Environment

vCenter Server 8.x
vCenter Server 7.x

Cause

Disk usage alarm is being triggered on vCenter server Appliance.

Resolution

Cleared the /storage/log partition and the backup was successful. 

Please refer: vCenter log disk exhaustion or /storage/log full