Timezone field was reset in all RHV VMs after upgrade to RHV 4.4.8-GA as per BZ#2006284
Issue
Red Hat has discovered a new issue that significantly impacts customer workloads when upgrading to RHV 4.4.8 release as described in Bug 2006284 - Cluster compatibility version upgrade from 4.5 to 4.6.
Environment
Red Hat Virtualization 4.4.8
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.