A vCenter Operations Manager 5.7 enviro

nment is upgraded to vRealize Operations. After the upgrade, the analytics services fail to start.

Which three steps must be taken to resolve the problem? (Choose three.)

A. Take the vRealize Operations cluster offline.

B. Delete the activity persistence

files.

C. Bring the cluster back online.

D. Remove any unresponsive nodes.

E. Stop the CaSA service.