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CAL's in general and NAS

By J-Tek ·

I'm going to setup an AD domain with 2 Win2K3 servers with about 75 machines. I plan on getting a NAS for file storage. I have a couple
of questions about CAL's.

Does authentication to a domain consitute a use of a CAL? If I have a NAS box, which will have domain permissions set on folders for security,
will authenticating to the domain require a CAL even though the files/directories
are not located on the servers themselves?

Assuming that a CAL is used, once a person gets into a domain permission protected share is the connection concurrent over the whole time that
the user is viewing that share? Or is the authentication done once per share then the CAL is released?

Any insight will be helpful.


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by BFilmFan In reply to CAL's in general and NAS

Depending on which licensing model you chose, either the users will present their Client Access License (CAL) and be granted access to the NAS or all the macines are using CAL's.

Most installations rely on User CAL's, so it shouldn't be an issue.

The CAL is NOT released upon authentication to a resource. Either the machine or the user presents it with the Globally Unique Identifier (GUID) to be be granted access to resources (with the Kerberos token as the means of transport).

If you have 75 users, you will need 75 licenses.

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