VCenter downwards and no backups

Hello, I could be walking in an environment where the Vcenter server is down and there may be no backups. Ive been told there are problems with the certificates and the database.  Now, I don't know the details right now, but it's wondering what I have to do if I need to put in place a new Vcenter server and there is no backup of database and certificates are bad?

I don't know some info.  There are about 6 hosts running ESXi 5.1.  There are on the run from 30 VM.  There is a HA cluster and Vmotion is configured.  not sure whether the DRS.

If I were to set up a new server Vcenter with new SS and the new database.  Can I just add the ESXi hosts on the new Vcenter server without being troubled for the virtual machine?

IM basically worried configs Switch network, storage configs and lose this info.  Some virtual machines may need to connect to one network rather than another.  This information would get lost and my VM would lose network connectivity if I just added the new Vcenter Server?  Or ESXi hosts with all this info it would be fine and come?

I don't like on Performance data or the user, or permissions, roles which can all be setup again.

Reset the HA cluster should not be a big problem as im assuming that the Cluster info would no more even if the hosts have this info?

I hope it made sense

Thank you

Hello

You must be totally fine with a few re-estabilishing a new vCenter from scratch and connecting hosts ESXi back once again and then just by creating a cluster and placing it there as well as the good configuration for DTS/DRS/VCA, etc.. This will not affect running Virtual Machines somehow - but just to be safe, I recommend to do this out of hours

The only thing you will lose is:

  • Resource pools
  • Annotations of VM
  • Custom folder organization

The rest is retained within the hypervisor itself - if the virtual machines have been on standard vSwitch, you're good. If they were on distributed vSwitch, you want to export the configuration of a current ESXi host, then apply together via Exim vCenter again. Some useful links about that: VMware KB: export/import/restore Distributed Switch configs using vSphere client Web and: Distributed vSwitches and vCenter fails, that & #039; s the deal?

Tags: VMware

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