Update Manager Service Crashes and creates core.worker.***** dumps

Products

• VMware vCenter Server

Issue/Introduction

• The Update Manager service crashes almost immediately after being restarted.

• core dumps for the service are generated in the storage/core partition of vCenter with name:

  • core.updatemgr-worker.###

Environment

VMware vSphere 7.0.x

VMware vSphere 8.0.x

Cause

Stale entries in the VUM database.

Resolution

Resetting the VMware Update Manager (VUM) Database:

1. Connect to the vCenter Server Appliance (VCSA) 7.0 or later via SSH.

2. Enter the BASH shell by running:

   shell

3. Stop the VMware Update Manager service with the following command:

   service-control --stop vmware-updatemgr

4. Reset the Update Manager database, based on your vCenter version:

   • For vCenter Server Appliance 7.0 or later:

     python /usr/lib/vmware-updatemgr/bin/updatemgr-utility.py reset-db

5. Clear the Update Manager patch store by running:

   rm -rf /storage/updatemgr/patch-store/*

6. Restart the Update Manager service:

   service-control --start vmware-updatemgr