Thanks Carl, so if I've interpreted that correctly Tom and Dick logon and are assigned the two licenses, but if Dick then doesn't logon for 52-89 days his CAL is returned to the pool and Harry could use it.
From: Webster [mailto:webs...@carlwebster.com] Sent: 05 August 2011 14:47 To: NT System Admin Issues Subject: RE: Assigning and Freeing up TS/RDS Cals? http://www.microsoft.com/windowsserver2008/en/us/licensing-rds.aspx http://www.microsoft.com/windowsserver2008/en/us/licensing-faq.aspx http://www.microsoft.com/windowsserver2008/en/us/client-licensing.aspx All your questions are answered in Chapter 12 of the 2008 R2 RDS Resource Kit. How RD License Servers Assign RDS CALs When a client connects to an RD Session Host server, the server requests the type of license from the client that the server is configured to understand. If the RD Session Host server is in Per-Device mode, it requests a Per-Device license. The client presents the license from its store in the registry. If the RD Session Host server is in Per-User mode, it requests a Per-User license. Per-User licenses are stored as a property on a user account object in Active Directory Domain Services (AD DS), so the RD Session Host server can check this when user credentials are presented. (If you use Per-User licensing in a workgroup, then Per-User licenses aren't tracked.) All licenses are assigned for a random period of 52 to 89 days so that unused licenses can return to the license pool automatically. Beginning seven days before the license expires, when that license is presented at logon, the RD Session Host server will try to renew it for another period of 52 to 89 days. If the client does not have a valid license or if the license it has is within seven days of expiring, then the RD Session Host server must attempt to obtain a license for the client at each login. If the server cannot find a license server to renew the license before it expires or no license is available, the license will expire. What happens then depends on the circumstances described in Table 12-2. Notice that there are circumstances in which an RD Session Host server in Per-User mode will permit the connection when an RD Session Host server in Per-Device mode will not. And much more explanation. Carl Webster Consultant and Citrix Technology Professional http://www.CarlWebster.com<http://www.carlwebster.com/> From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk]<mailto:[mailto:paul.hutchi...@mira.co.uk]> Sent: Friday, August 05, 2011 8:35 AM To: NT System Admin Issues Subject: RE: Assigning and Freeing up TS/RDS Cals? Hmm. I thought that in my scenario Tom and Dick login, they are assigned the CALs but when they logout the CALs are still assigned to them via TS license manager, they aren't freed up for Harry to use? From: Kennedy, Jim [mailto:kennedy...@elyriaschools.org]<mailto:[mailto:kennedy...@elyriaschools.org]> Sent: 05 August 2011 14:27 To: NT System Admin Issues Subject: RE: Assigning and Freeing up TS/RDS Cals? Snipped out and left the below. That is how it works. Cals are assigned as they login and released as they log out. I never liked Harry anyway so I would just go with two Cal's in your scenario. From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk]<mailto:[mailto:paul.hutchi...@mira.co.uk]> Sent: Friday, August 05, 2011 9:22 AM To: NT System Admin Issues Subject: Assigning and Freeing up TS/RDS Cals? Do I have to buy 3 CALs and assign them explicitly to Tom, Dick and Harry or do I buy 2 CALs, allocate them to the server, and if Tom and Dick login first they get assigned the CALs and Harry is SOL? ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com<mailto:listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe ntsysadmin ________________________________ MIRA Ltd Watling Street, Nuneaton, Warwickshire, CV10 0TU, England Registered in England and Wales No. 402570 VAT Registration GB 100 1464 84 The contents of this e-mail are confidential and are solely for the use of the intended recipient. If you receive this e-mail in error, please delete it and notify us either by e-mail, telephone or fax. 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