You probably are not administrator on the server. I am doing it all the time, no problems. Do not forget to boot !!!!!!! If you boot the server hard enough it will break and they will give you a new server without listener service in it. Yechiel Adar Mehish ----- Original Message ----- From: "Chirag DBA" <ChiragDBA@xxxxxxxxx> To: <adar76@xxxxxxxxxxxx> Cc: <oracle-l@xxxxxxxxxxxxx> Sent: Monday, September 27, 2004 11:04 AM Subject: Re: How to remove TNSListener from Ms. services > U cant delete from the registry too. > > Try it, it wont affect anything else surely. > > > -- //www.freelists.org/webpage/oracle-l