acm dashboard showing exclamation mark next to vCenter

Are you seeing the exclamation mark on the acm dashboard as per below?

There are a couple of things that can cause it and it's usually a quick fix per this Dell KB:

https://www.dell.com/support/kbdoc/en-us/000168732/idpa-vcenter-shows-exclamation-mark-next-to-it-on-the-acm-ui-and-error-unable-to-get-vcenter-version-can-be-seen-on-the-virtualization-dashboard?lang=en

This VMware KB may be related also:

https://kb.vmware.com/s/article/2100508

We welcome any questions or comments.

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thanks