Disable user access to virtual Y: drive b4 reboot?

System

Interwoven technical support found that our logs show that some other application was accessing the virtual Y:\ drive when we rebooted the server housing the TeamSite application (which caused teamsite to fail to launch)

Interwoven technical support recommends that during scheduled reboots that nothing is accessing the Y:\ drive when TeamSite is stopped.

what is the best way to go about this? is it as simple as stopping all the TS services before a reboot or is something more specific required to ensure users dont have mappings/files on the Y drive accessed?

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Eric B.
Federated Investors
AOL IM: arthas76