Further to this - We are also getting the error below in the logs, and errors enumerating the Citrix Access Management Console. This seems to happen on reboot, and persists until we manually restart the IMA Service on the affected servers. Any ideas? N Event Type: Error Event Source: DCOM Event Category: None Event ID: 10006 Date: 12/01/2009 Time: 10:02:00 User: N/A Computer: CITRIX1 Description: DCOM got error "General access denied error " from the computer CITRIX2 when attempting to activate the server: {DB192ECC-CCBC-4A97-8121-B2FB89FE77C2} From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of IT Support Sent: 08 January 2009 08:34 To: 'thin@xxxxxxxxxxxxx' Subject: [THIN] DCOM 10016 Error - The machine-default permission settings do not grant Remote Activation permission for the COM Server application Hi All, We're getting DCOM 10016 errors every time a citrix admin users the Citrix Access Management console on all our citrix servers as below: Before I start hacking away at DCOM config permissions, does anyone know of a recommended citrix fix? Cheers. N Event Type: Error Event Source: DCOM Event Category: None Event ID: 10016 Date: 07/01/2009 Time: 12:20:09 User: DOMAIN\user.name Computer: CITRIX1 Description: The machine-default permission settings do not grant Remote Activation permission for the COM Server application with CLSID {DB192ECC-CCBC-4A97-8121-B2FB89FE77C2} to the user DOMAIN\user.name SID (S-1-5-21-1708537768-1844237615-1177238915-1249). This security permission can be modified using the Component Services administrative tool. BM Polyco Ltd Disclaimer This e-mail and the information it contains are confidential. If you have received this message in error please notify us immediately. You should not use or copy it for any purpose nor disclose its contents to any other party. The contents of this communication are advisory and are not binding on the Company unless supported by authorised documentation. It has also passed through the MailControl Anti-Virus service powered by BlackSpider for total peace of mind. Click here<https://www.mailcontrol.com/sr/hWQXJh8Q2IXTndxI!oX7Upgp5WhUlLIgcns!BPe82eeIbAzoKKfgJJeNyy7Mfb3z+UJTMPXhg3!5CCz92bNxfg==> to report this email as spam.