VCSA backup fails with "Message: BackupManager encountered an exception."

Products

• VMware vCenter Server

Issue/Introduction

Attempting to take VCSA file based backup fails with following message in UI 

Message: BackupManager encountered an exception. See logs for details.

 

In backup log located at var/log/vmware/applmgmt you see similar entries 

[MainProcess:PID-XXXXXX] [vpxdevent_lib::dispatch_events:vpxdevent_lib.py:253] ERROR: Failed to get vcenter server endpoint urls. Err [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1007)
[MainProcess:PID-XXXXXX] [br_events::post_br_event:br_events.py:39] ERROR: Failed to dispatch event com.vmware.applmgmt.backup.job.failed.event Err: Failed to get vcenter server endpoint urls. Err [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate has expired (_ssl.c:1007)
[MainProcess:PID-XXXXXX] [BackupManager::main:BackupManager.py:672] INFO: Backup job failed.

Checking certificates on vCenter using vCert script you see that Machine SSL is expired.

Environment

vCenter 8.x

Cause

Expired Machine SSL on vCenter

Resolution

Renewal of Machine SSL on vCenter

 

To renew expired certificate use script provided in following article

vCert - Scripted vCenter expired certificate replacement