Enterprise Vault Archive Explorer and Search Archives buttons not working from OWA

As the subject says, the Enterprise Vault Archive Explorer and Search Archives buttons are not working from OWA externally for us - on Exchange 2003 and EV 9.0.2. When clicking on the buttons, it is clear that the browser attempts to connect to the internal URL.

Other OWA functions work normally - e.g. recovering items from the vault.

Desktop policy settings that I believe are relevant:
Client connection - use proxy
External webapp url - https://webmail.ourdomain.com/EnterpriseVaultProxy
Web Application alias: evanon
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Paul SolovyovskySenior IT AdvisorCommented:
This is normal.  Since Archive Explorer and Search session go directly to the EV Servers and not through Exchange it is looking for internal servername.

Two options.  One is to publish your EV Servers and configure EV to point to the external name (SSL will need to be enabled and the first time you access it you will need to enter credentials back in since it's a seperate session).  The other option is to access via VPN where users have access to the EV servers.
tlcsupportAuthor Commented:
Ah, so you can't access these two features via the EV proxy? I tested it by changing the URL string to be owaserver/enterprisevaultproxy/whatever and it kinda half loaded (missing images and unable to expand beyond folder tree to see actual items)
Paul SolovyovskySenior IT AdvisorCommented:
Perhaps with Exchange 2003 you may get the proxy to work (it's been a whilesince I installed it on 2003 since it EOL) but Exchange 2007 and 2010 do not support it.
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tlcsupportAuthor Commented:
We're upgrading to 2010 soon so this may be a mute point ;) I may take it up with Symantec support and see what they say. I'm sure it used to work before we upgraded from 8 to 9.
Paul SolovyovskySenior IT AdvisorCommented:
Exchange 2010 will not work.  Exchange 2003 didn't use CAS.  With CAS the proxy bit went away.  By the way, EV 9.0.2 came out last week and future versions with will be Windows 2008 R2 Only
tlcsupportAuthor Commented:
It's working this morning. Suspect it had to do with the desktop policy settings not replicating as quickly as expected, despite running the sync yesterday afternoon.

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tlcsupportAuthor Commented:
Problem was in fact down to changing the OWA settings under Desktop Policy and not allowing them to re-sync to the user's under the appropriate provisioning group.
Paul SolovyovskySenior IT AdvisorCommented:
Keep in mind you'll lose this functionality in exchange 2007 and 2010 due to cas model
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