no remote desktop license server is available windows 2008

What happens then depends on the circumstances described in Table below 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. – If the server cannot find a license server to renew the license before it expires or no license is available, the license will expire. – 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. This is how Microsoft describes the different scenarios: Only the clients that either have no license at all or have licenses past the expiry date, will face connection denial.

If your Remote Desktop Session Host is not able to contact the RDS license server – the clients that are having valid license will not get connection denial (Read: wíll be able to logon) even if your license server is down for some time. The terminal server always attempts to renew these CALs seven days before they expire.īeginning seven days before the license expires, when that license is presented at logon, the RD Session Host server (read: RDS/Terminal server the user is logging onto) will try to renew it for another period of 52 to 89 days. This expiration period is a random number of days between 52 to 89 days after the license is issued. There is no separate grace period provided for your client if your license server failed.įor each Per Device or Per User CAL that is issued, an expiration period is applied. Grace period with failed/offline License server And the end of the article you can find an FAQ which might answers some questions not covered in this article. Since you don’t have time to read all chapters of a book with 1000 pages, I summarized some topics, quoting some official Microsoft articles and adding some clarifications to it. If you need all answers, then the Windows 2008R2 Remote Desktop Licenses Resource Kit book is the place for you. I found quite some people on Microsoft & Citrix Forums trying to find some clear answers related to Remote Desktop Licenses – the old Terminal Services licences – more specific for Windows 2008R2 and the licences that are required for the clients (Windows), the so called CALs, Client Access Licenses. Remote Desktop Administration & RDS Licenses. What if there are Insufficient Per User Licenses available. Grace Period after installation with no License Server available.

1Īn example of RDS Client Access Licenses (CALs) and their expiry time: 3 Grace period with failed/offline License server.

No remote desktop license server is available windows 2008