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licensing question for windows server and terminal server

Posted on 2006-07-21
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Last Modified: 2010-05-18
Hi,

I'm installing 2 new W2k3 servers ... server "A" will be the Domain controller, and have 15 employees (devices) logging in via the LAN.  There are 2 network printers.

I'm also installing another W2k3 server, server "B".  It will be dedicated as a terminal services server, and have up to 25 simultaneous connections coming in from the outside.  It will be the same 25 sites (devices), over and over.  The remote users will run an app which resides on server A; I'm going to do a 'workstation install' of the app on the SERVER B.

Do I need 18 CALs on server A, and 26 cals for server B?  When people remote into SERVER B, do they need to authenticate to SERVER A.  Do they need an available license on SERVER A also, or instead?  Licensing always gives me a headache.
thanks!
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Question by:stevekalu
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artthegeek earned 250 total points
ID: 17160321
It depends on the type of CAL you purchase, two types of Terminal Server Client Access Licenses are available: TS Device CAL or TS User CAL.

• A TS Device CAL permits one device (used by any user) to conduct Windows Sessions on any of your servers.
 
• A TS User CAL permits one user (using any device) to conduct Windows Sessions on any of your servers.
 
You may choose to use a combination of TS Device CALs and TS User CALs simultaneously with the server software.



Also:  In Per User and in Per Device mode, a separate TS CAL is required for each user or device that accesses or uses the server software on any server.
You may reassign a TS CAL from one device to another device, or from one user to another user, provided the reassignment is made either
(a) permanently away from the one device or user or
(b) temporarily to accommodate the use of the TS CAL either by a loaner device, while a permanent device is out of service, or by a temporary worker, while a regular employee is absent.

TS CALs are not available in Per Server mode as Windows sessions are not allowed in Per Server mode.

I hope I'm being a little clearer than Bill Gates!
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Author Comment

by:stevekalu
ID: 17161888
OK, thank you for the info.

Lets say I have 500 total devices on the lan, and 2 W2K3 servers, and run both servers in "per device" mode.

Can I buy 500 cals on one server, and just the 5cals on the second server?  If I do that, will all 500 users have a simultaneous access to both servers?

Adding terminal services into the mix, lets say I have 25 devices outside the LAN.  If I buy 25 TS device cals, can these 25 guys all access both servers simultaneously?

thank you!
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Assisted Solution

by:artthegeek
artthegeek earned 250 total points
ID: 17163928
On the 500 - yes.  Per device CALs means 1 license per PC no matter how many servers.

On the TS - yes, same concept.
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Author Comment

by:stevekalu
ID: 17164540
thank you artthegeek, your explanation makes alot of sense!
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Expert Comment

by:artthegeek
ID: 17169429
Anytime:)
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