VMWare vCenter crashing when deploying a VM from a template.

Recently we encountered an issue when we tried to deploy VMs from templates it crashed vCenter Server. VM deployment got stuck between 70%-95% and after a few minutes vCenter Web Clients were not responding and we had to restart vCenter services to get it back up and running.

It seems that templates were missing some info Рcheck https://kb.vmware.com/s/article/20565429. After converting templates back to VMs and again back to templates the deployments were successful and vCenter Server no longer crashed.

Update (13.07.2018) – Same issue affects Veritas NetBackup to get an inventory from a vCenter Server – error “Validation constraint violation”. More info –¬†https://www.veritas.com/support/en_US/article.100033934

 

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