Updating to 2008

I am preparing to update several machines to 08 version, Ialso have to update the license server. Updating solid works ispretty straight forward, but this will be my first time updatingthe license server, so I have a few questions:

How long does updating the license server usually take

Do all users have to sign out of solid works while the processtakes place

Will I have to install anything on the server itself

Will 07 get along with the 08 license server while I transition amachine to 08

Thank you.SolidworksAdministration