All Posted this a while back and had nil responses Anyone? My understanding is the each SID requires 32 bytes. IE if the user is in more than 128 groups you start to see this error. So in theory by aiming for 500 groups I need to set this two 500 x 32 = 16,000 Anyone know if I should be setting this value as Hex or Dec? I have been testing at 15,000 Dec which seems to work for users in about 450 groups.... Malcolm Got the following error when trying to use WI3 with XPe FR3 (+ hotfixes) and Single Sign on turned on "Error: The MetaFrame server farm cannot process your request at this time. Error: Citrix XML Service request too large, more than 4096 bytes [413 request too large]." Implementing the fix in point 2 from article <http://support.citrix.com/article/entry.jspa?entryID=2205> http://support.citrix.com/article/entry.jspa?entryID=2205 Does anybody know what the default Size is as this Reg key does not exist. What is a good size to set this to? Seems to fix it for my account with it set to 10,000 Decimal but not sure if this will overload the XML service etc. Thanks Malcolm *********************************************************************************** The Royal Bank of Scotland plc. Registered in Scotland No 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. Authorized and regulated by the Financial Services Authority This e-mail message is confidential and for use by the addressee only. If the message is received by anyone other than the addressee, please return the message to the sender by replying to it and then delete the message from your computer. Internet e-mails are not necessarily secure. The Royal Bank of Scotland plc does not accept responsibility for changes made to this message after it was sent. Whilst all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that the onward transmission, opening or use of this message and any attachments will not adversely affect its systems or data. No responsibility is accepted by The Royal Bank of Scotland plc in this regard and the recipient should carry out such virus and other checks as it considers appropriate. Visit our websites at: http://www.rbos.com http://www.rbsmarkets.com ********************************************************************************