Backup Exec 10d hangs my exchange cluster

Here is the scenario.
1.  I have  two server 2000 servers clustered.
2.  I am running exchange 2003 on the cluster.
3.  The cluster is connected to my SAN.
4.  Backup exec 10d with exchange remote agent running

Every morning around 4am, my exchange server hangs.  When I come in, in the morning I have to move the cluster over to the non-active node for users email to start working again.

I did see resarch and it only happens when I install the backup exec remote agent on the exchange clusters.  If I remove them, then the problems goes away.  But I need the agent to backup the individual exchagne mailboxes.

How can I stop this from happening?
Is there a schedule time in Exchange 2003 that it does some type of database optimizing that is conflicting?
Yves MelletAsked:
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dann47Commented:
Ok, first any events in the event viewer please, both on the remote and the main machine please?
have you updated the patches and software fully, please note that after an update the patches must be re installed as well
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Yves MelletAuthor Commented:
I believe i fugured this out.  what I am going to do is a disk to disk backup.  
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Yves MelletAuthor Commented:
I would like to close this ticket out..
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dann47Commented:
Ok please post a request in the support area
Glad it is fixed
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