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ESX:  Unable to add host - Timed waiting for vpxa to start

Posted on 2014-08-11
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Last Modified: 2014-08-11
Hi All,

I recently rebuild an ESX server. Same IP, Hostname, but new disks and additional RAM.

I can access the stand alone server without any issue and everything seems fine, however when I try to add it to vCenter I get the follow error.

ESX error
Any ideas?
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Question by:detox1978
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LVL 125
ID: 40252871
Is the version of vCenter the correct version to manage this host ?

e.g. ESXI 5.1 and vCenter Server 5.1

have you Restarted Network Management Agents ?

Also when you add the host, was it already added ? (eg in the list!).

Remove from Inventory and start again- Add.
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LVL 2

Author Comment

by:detox1978
ID: 40252905
It's ESX 5.5 and vCenter 5.1
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LVL 125

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 40252929
That's the issue!

vCenter 5.1 CANNOT Manage ESXi 5.5!

vCenter Server *MUST* be the same version or higher.

Upgrade vCenter Server to 5.5, or downgrade ESXi to 5.1.
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LVL 2

Author Comment

by:detox1978
ID: 40252974
To upgrade vCenter do I just download the ISO and run it over the top?

If so, will it retain the Update Manager tab?
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LVL 125
ID: 40253016
You will need to upgrade all the components of vCenter 5.1.
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LVL 2

Author Closing Comment

by:detox1978
ID: 40253606
Thanks, got it working via an upgrade.

Minor issue of having to log into the vCenter web console to reassign our AD domain admins group back using the Administrator@vsphere.local account.

http://virtuallylg.wordpress.com/2013/09/29/vsphere-5-5-how-to-add-domain-users-to-sso/
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