From: "Geo." 

On NT4 I believe it's either port 135 or 139 and yes if it's blocked then
net send fails.

Geo.

"Chris Robinson"  wrote in
message news:3E883348.5281C7E1{at}NOSPAMtotalise.co.uk...
> Here's another thought - doesn't the Windows messenger service listen on
Port
> 135?  If so then would blocking this port on all your NT systems
effectively
> prevent administrators from sending out messages using NET SEND?
>
> Chris.
>
> "Geo." wrote:
>
> > That would stop functionality, like remote backups. A second trivial fix
> > would be to allow anyone holding an NT4 license upgrade to W2K free.
Don't
> > want to fix it then at least take care of your customers who are still
> > running it. This would cost MS nothing out of pocket, just honor an NT4
> > license as if it were a W2K license.
> >
> > Geo.
> >
> > "Tony Ingenoso"  wrote
in message
> > news:3e82f42b{at}w3.nls.net...
> > > A trivial "fix" could be to simply disable port
135 in the TCP/IP
options.
> > What would that take?  Maybe 50 lines of code
> > >
> > >
>

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