if i upgrade my esx host 4.1 (GA release to update 3) then is it necessary to upgrade vcenter server, following r the vcenter details.
According to the interoperability matrix ESX 4.1 U3 can be managed by vCenter 4.1 GA version so there is no problem.
http://partnerweb.vmware.com/comp_guide2/sim/interop_matrix.php
But if wish to keep the vCenter at latest level then would suggest to get it upgraded
b4 upgrade what will the pre-requisite and roll back plan
The patches once installed cannot be rolled back
i always used esxupdate command to upgrade ESX hosts, can u plz help me with the simple steps or screen shots if i want to update the same with VUM
Do you have VUM already in place