Extend OWA 2007 Timeout

OWA 2007 default sessions have a 15-minute inactivity timeout for public or shared computers and 24 hours for a private computer To extend this time follow these steps below.

Logon to Exchange Server as an Administrator.

*Start the registry editor (regedit.exe).
* Navigate to the HKEY_LOCAL_MACHINE\SYSTEM\

CurrentControlSet\Services\MSExchange OWA subkey
* From the Edit menu, select New - DWORD value.
* Enter a name of PublicClientTimeout and press Enter.
*Double-click the new value and set it to the desired number of minutes before a timeout (1 to 4320), set the type to decimal, and click OK.
*From the Edit menu, select New - DWORD value.
*Enter a name of TrustedClientTimeout and press Enter.
*Double-click the new value and set it to the desired number of minutes before a timeout (1 to 4320), set the type to decimal, and click OK.

Stop and restart the World Wide Web (WWW) Publishing service by using these commands at the command line.

net stop w3svc net start w3svc