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Issue
The GlobalProtect VPN is being used off-campus in order to access restricted resources (ie, Banner, Jabber, shared drives). Despite the VPN icon showing a status of "connected", the app or site in question still acts as though the VPN was disconnected.
Cause
It may be possible that the VPN tunnel has timed out. This can especially happen after a long period of idle time or disk sleep/suspension.
Resolution
To resolve this issue:
Click on the GlobalProtect icon, then the gear icon, and then Refresh Connection.
This will force GlobalProtect to re-assess the network it is currently connected to and automatically re-establish a VPN tunnel.
If this still does not resolve the issue, reboot the affected computer.