By default the OWA extensions timeout a request to restore an item after 30 seconds. This was previously not configurable. In some environments this has posed a problem in the past, where some internal Windows API calls were taking a little bit of time to come back, with, for example, user->group membership details.
A fix for this was introduced and can be used with version EV 8 and onwards
The fix is slightly dependent on whether you are using Exchange 2003, or Exchange 2007. If it is Exchange 2003, edit your EVBackend.ini file to include a line like this :
exch1.1.exchange.restorerequesttimeout=45
(where exch1 is the name of the Exchange Server)
If it is Exchange 2007, edit the web.config file so that it has the following line added :
You will see a line in the EV OWA Diagnostic log file similiar to this when you've implemented the change :
1/8/2010 5:13:58 AM: [OWAPage::RestoreItem] Item needs restoring
1/8/2010 5:13:58 AM: [OWAPage::RestoreItem] Web app url from session:http://evserver.ev.local/EVAnon
1/8/2010 5:13:58 AM: [OWAPage::RestoreItem] Restore url:http://evserver.ev.local/EVAnon/restoreo2k.asp?vaultid=1E5850B2EA77101459FCD56CBC4D3A5871110000evsit...
1/8/2010 5:13:58 AM: [OWAPage::RestoreItem] IWA authentication, using DefaultCredentials
1/8/2010 5:13:58 AM: [OWAPage::RestoreItem] Set timeout: 45000
1/8/2010 5:13:58 AM: [OWAPage::GetUserString] User is already domainuser format
It is not advised to change this to a high value, but some customers have had success in changing this to 45, as an example.
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