Feb 08 23:59:11 <FQDN-VC> vpxd[7179]: Event [575229570] [1-1] [2025-02-08T23:59:11.483369Z] [vim.event.AlarmStatusChangedEvent] [info] [] [] [575229570] [Alarm 'Backup job status' on Datacenters changed from Green to Red]
/var/log/vmware/applmgmt/backup.log
there may be similar messages:2025-02-08T23:15:09.523 [0] [MainProcess:PID-59523] [Scheduler::ExecScheduleRun:Scheduler.py:138] ERROR: Failed to issue the Schedules.run request. Exception: {messages : [LocalizableMessage(id='com.vmware.applmgmt.backup.plugin.unauthorized', default_message='Access to the backup server is denied. Check your credentials.', args=['Plugin error occurred. ErrCode: 1, Args: ()'], params=None, localized=None)], data : None, error_type : None}
2025-02-10T23:15:09.761 [0] [MainProcess:PID-55808] [Scheduler::ExecScheduleRun:Scheduler.py:138] ERROR: Failed to issue
VMware vCenter Server 7.0.x
VMware vCenter Server 8.0.x
The credentials of backup server was changed that caused the configuration in vCenter Server File-based backup is incorrect. Then the backup job failed in vCenter Server because it can not authenticate with backup server.
To resolve the issue: