Hi Irfan, It was a coincidence. Realplayer has NOTHING to do with the H.323 gatekeeper. HTH, Tom Thomas W Shinder www.isaserver.org/shinder ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp -----Original Message----- From: Irfan Rahim [mailto:rahim_irfan@xxxxxxxxxxx] Sent: Wednesday, April 02, 2003 1:27 AM To: [ISAserver.org Discussion List] Subject: [isalist] Re: realplayer cann't connect to internet through ISA http://www.ISAserver.org In fact that same problem I was facing before but when I configure h.323 gatekeeper its working, please try to install hope fully it will be ok. >From: "nehad" >Reply-To: "[ISAserver.org Discussion List]" >To: "[ISAserver.org Discussion List]" >Subject: [isalist] realplayer cann't connect to internet through ISA >Date: Tue, 1 Apr 2003 00:15:05 -0700 > >http://www.ISAserver.org > > >i have isa server installed with sp1 and all clients have F.W client they >connect to internet successfully ,the problem is when they try to view any >video or sound on the internet using realplayer8 it show for them >connecting msg in taskbar then closed and give them a dns error >i think that isa prevent the fllow osf streaming of realplayer protocol so >i think that i need to make protocol definition or creat custom port or >allow packet filtiring and also some steps at realplayer at user >workstation > >but what is the detail steps to do that,thanks for any one can help me