Remove a node from exchange 2010 DAG and add it back, repercussions

Greetings,

I have failover cluster errors on one of my two node DAG. Error is failover clustering event id 1207.

Cluster with name "ClusterName" could not be brought online. The computer object associated with the resource could not be updated in domain "domain.local" for the following reason: unable to update password for computer account.

The text for the associated error code is:  RPC server unavailable

The cluster identity may lack permissions required to update the object.


And

"Cluster network name resource '%1' cannot be brought online. The computer object associated with the resource could not be updated in domain '%2' for the following reason: %3.

The text for the associated error code is: %4

The cluster identity '%5' may lack permissions required to update the object. Please work with your domain administrator to ensure that the cluster identity can update computer objects in the domain."


Also received a critical error 2 days stating node 2 had been removed from the cluster.

This just started 3 days ago and had been functioning since June 2013 without issue.

EMC shows the DAG as functional and the cluster manager shows both nodes up. Database replication entries in event viewer on both nodes show successful replication and healthy database states.

However, I'm still getting the 1207 error on node 2 and have done a lot of research but can't figure out where to go from here.

So, can I remove and re-add the node without royally screwing up the DAG, or worse the exchange servers?

Thanks!!!
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king daddyAsked:
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Md. MojahidConnect With a Mentor Commented:
It seems that the problem is with the Cluster Account in AD...  Make sure that the Computer can connect to DC & that you are not logged in using cached credentials...
If so you might be having Network Issues & not a clustering issue.

Please check this http://technet.microsoft.com/en-us/library/cc773451%28v=ws.10%29.aspx and also check this discussion http://social.technet.microsoft.com/Forums/en-US/winserverClustering/thread/7abe8d03-b56b-4c52-948c-d22b913da99b/
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king daddyAuthor Commented:
thank you Md. Mojahid. I has seen these though and am still a bit confused, especially since it had been working since the DAG was created last summer. I suspect it is an AD permissions problem as well and will check them this weekend. To note, I posted this question as well if you would like to check it out.

http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_28357296.html
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king daddyAuthor Commented:
this did not fully address the issue, or correct it. However, I awarded points since the expert attempted to help and at least replied to my post.
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