Microsoft Licensing Explained (XP, Vista, Server 2003)

If any of you have tried to figure out Microsoft'sLicences for every user you plan on connecting.
licensing laws you know how frustrating andThose 5 licenses that came with the operating
confusing it is. I have written a brief explanationsystem are Windows licenses. So let's say you have
below covering Windows XP, Vista and Server 2003.10 users that need to connect. You then need 10
- Windows XPuser licenses AND 10 terminal services user licenses
Windows XP is pretty straight forward. When youfor a total of 20 licenses for your 10 users. Confused
buy a new PC it usually comes pre-loaded withyet? Well it gets better.
Windows XP. If it is a desktop, the Certificate ofYou can configure your Server 2003 to distribute
Authenticity sticker is usually on the side of the case.licenses in one of two ways: Per Device or Per User.
For notebooks, the sticker is usually underneath. The- Per Device
sticker contains your Windows product key which isThis is from Microsoft "A Per Device CAL provides
your license. You are only allowed to use that licenseeach client computer the right to access a terminal
on one PC. You can transfer it to another PC butserver that is running Windows Server 2003. The Per
you must remove Windows from the originally PCDevice CAL is stored locally and presented to the
first. You can activate Windows XP an unlimitedterminal server each time the client computer
amount of times. Please note that if it has been lessconnects to the server."
than 120 days between activations you will have toWhat it means is that "per device" is set by default
call Microsoft to activate by phone.and every workstation that tries to connect must
- Windows Vistahave the TS Licenses locally stored and presented to
The same rules apply to Vista as to XP with somethe server whenever it tries to connect. Per Device
minor changes. You are allowed two activations overlicenses CANNOT be transferred to another
the Internet. If that gets exceeded you will need tocomputer.
call Microsoft to activate. Common reasons for- Per User
needing to activate Windows again include:Again from Microsoft "In Per User licensing mode you
Reformatting your hard drive, Moving Windows to amust have one license for every user. With Per User
different PC, A Major Hardware Change (normallylicensing, one user can access a terminal server from
changing the motherboard).an unlimited number of devices and only needs one
- Windows Server 2003CAL rather than a CAL for each device."
This is where things really get confusing. First off letsWhat it means is that you must manually set the
briefly explain the two common uses for a server.server to "Per User" TS licensing. Then install the
1. Application Server - Users log into the server tolicenses on the server, so whenever a user tries to
run applications directly installed on the server. Typicallog in, an available license will be used. You can have
called Terminal Services.as many users as you have the appropriate licenses
2. File Server - Data drives are mapped from thefor.
server to the workstations for the purposes ofThe "Per User" method is not tracked. Which means
having a common location for files and/or databases.that there is no way to enforce the license usage
When you install Windows Server 2003 it needs toand you can exceed your connections. For example,
be activated just like XP and Vista do. When you buyif you only have 5 licenses, and are set to "Per User"
the operating system it will usually comes with 5 userthere will be nothing to stop you from connecting
licenses. If you plan on using it as an application100 users. Please remember that doing this is in
server (Terminal Services) those 5 licenses do NOTviolation of Microsoft's End User License Agreement.
mean you can connect up to 5 users to the server.For more information please visit Microsoft on the
You still need to purchase Terminal Services Userweb.