On Wed, 2009-12-23 at 15:16 +0800, Yuwen Dai wrote: > > > On Wed, Dec 23, 2009 at 3:04 PM, Kun Niu <haoniukun@gmail.com> wrote: > I don't have such a problem. Can you get some kind of hint > from the output of the pidgin debug output window? > > > > > > The error message is : Our protocol is not supported by the server. > > The version of pidgin is 2.4.3. I use 2.6.4 from backports.. :)