Symptoms:
An administrator accidently removes the SRM-com.vmware.vcDr:::protected custom and global attributes, causing the SRM attribute value to go blank on the vCenter Sever
VMware Live Site Recovery 9.x
com.vmware.vcDr:::protected is an automatically created tag used by VMware Site Recovery Manager and VMware Live Site Recovery to identify and mange virtual machines protected for disaster recovery If this attribute is removed accidently for a VM: