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To be able to connect to Microsoft Windows 2000 Terminal Services (and
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probably later versions), you'll need to deal with licensing. This is
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complicated. This file is supposed to contain some information about
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how rdesktop works with Microsofts license systems.
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There's a lot of information on the MS web site, for example,
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http://support.microsoft.com/default.aspx?scid=kb;EN-US;287687.
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From the rdesktop mailing list:
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Peter Åstrand <astrand@cendio.se>, 2003-02-06
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> We are running rdesktop 1.2 on machine A and connects to a Windows 2000
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> Server (machine B). The W2K machine has 5 real licenses installed ("Windows
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> 2000 Terminal Services Client Access License", "Open" type). This can be
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> verifier by using "Terminal Services Licensing". The problem is that all
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> issued licenses have an expire-date. The expire date for the license issued
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> to A was reached today, and no more connections could be made until we
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> changed the client name (by using -n).
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> We also have another similiar systems, with Linux machine C and W2K server
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> D. This server has 200 licenses installed of the type "Select". On this
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> server, the issued licenses seems to be permanent: The expire date is set
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> to "-", and we have no problem with this system.
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> The question of course is why the first system issues license with
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> expiration date, while the second system issues permanent licenses.
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Darryn Capes-Davis, 2003-02-07
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> I have been through the problems and can tell you what is going
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> on. The main difference of Machine B (Server 1) and Machine D (Server
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> 2) is that from what I see Machine B has Service Pack 3 installed and
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> Machine D does not. You see in Service Pack 3 there was a change made
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> to TS Licencing in that Microsoft introduced a licence recovery
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> mechanism. To cut to the point (I don't know the details) rdesktop 1.2
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> with SAVE_LICENCE defined works fine. In the new lic method the
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> terminal server expects a valid licence to be presented to renew
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> it. Otherwise it just expires it - and a day later you will see it
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> actually gone (it does housekeeping once a day)! So if SAVE_LICENCE
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> code is not enabled then it just expires and you can't use the licence
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> until it cleans it away - and this is where a little gotcha is - if
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> you move from using an rdesktop without SAVE_LICENCE to one with
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> SAVE_LICENCE then it still won't recover an 'expired' licence. You
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> have to wait for the daily housekeeping to clean it up - this really
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> had me going for half a day or so! This is exactly what happened to
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> The Server pre Spk 3 has the old model where licences never expire. To
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> recover a licence that you never wanted to use again you have to call
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> the Microsoft Clearing House. That's why they introduced the new
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> method. And if you upgrade a Pre Spk3 server to Spk3 then the licences
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> granted still stay with the old method - only new licences granted
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> will use the new expiry method.
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removed
src/VBox/RDP/client/doc/licensing.txt
