Interesting as I have this same issue. Happens sometimes every 2-3 days and then not again for another 3-4 weeks. If we cycle the IMA service the problem goes away. However sometimes it happens and then 10 mins later it just works again with no intervention. Have had a called logged with MS for quite a while and getting no result. Have now done the same Citrix and awaiting further info from them. What client versions are you using and what OS/Hotfixes etc are on your Citrix servers. -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of msemon@xxxxxxx Sent: 19 August 2004 18:25 To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: License Server access problems???? Check out Microsoft Knowledge base Article 329944 which basically states: You may also receive Event ID 1004 message on the Terminal Server in the application event log: Event ID 1004 Source: TermService Description: The Terminal Server cannot issue a client license. These messages may occur only when you use the Citrix Independent Computing Architecture (ICA) client. If you are only using the ICA client, Microsoft recommends that you test the behavior with the Remote Desktop Protocol (RDP) client to see if Terminal Services Licensing is not working or the ICA client is not receiving a license. To do so, install the RDP client. The RDP client is located in the Winnt\system32\clients folder on a Windows 2000 server. If you install the RDP client and the RDP client successfully connects and receives a license, then the problem is with the ICA client. If RDP does not obtain a license, then Terminal Server Licensing is not working. CAUSE This behavior occurs because the Citrix ICA client is not working. The Citrix ICA client is responsible for getting a license through the Terminal Services Licensing service when you are using the Citrix product. If the ICA client is not working Windows 2000 generates a 1004 event message on the Terminal Server. The event message indicates that a client did not receive a license. Because you have determined that the RDP client is working, you know that the ICA client is generating the event message. -Mike Original Message: ----------------- From: Stratton, Doug MSER:EX Doug.M.Stratton@xxxxxxxxxxxxxxx Date: Thu, 19 Aug 2004 09:01:55 -0700 To: thin@xxxxxxxxxxxxx Subject: [THIN] License Server access problems???? Here is the scoop: We have a bunch (more than one less than 20) MF XP FR3 servers. We were getting 1004 Terminal server cannot issue a client license errors. NOT all the time but fairly often. When this happened clients would go to log on and the connection would just terminate (before the logon screen). No error messages nothing. So we tried a bunch of things like patches and then last we installed the license server on a w2003 server (I was told it is now an enterprise server). Still getting these messages. Then a co worker of mine said he was having problems like this with some of his old thin clients (we are having the problems with PC) and they resolved by hard coding the defaultlicenseserver. We had this a long time ago but had switched to nothing (key deleted) and it seemed to be working fine as it is supposed to. So I thought what the heck I will hard code it again. All the errors have gone away. WTH? Anyone have any ideas why this would be? Thanks Doug Stratton Operations Engineering Workstations Services Branch CITS, Solutions BC, Province of BC 4000 Seymour Place, Victoria B.C. Telephone: (250) 356-6678 Email: Doug.M.Stratton@xxxxxxxxxxxxxxx -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ . ******************************************************** This Weeks Sponsor RTO Software Do you know which applications are abusing your CPU and memory? Would you like to learn? -- Free for a limited time! 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