Client Network Utility Service Pack

2 Questions:

1) I am getting back into SQL more than before, in my new job. I need to find the service pack installed on the clients who have the Client Network Utility installed. I do not remember how to do this.

2) Running 'Select @@VERSION' on the server returns 7.00.1063 but does not indicate the service pack. Does this still mean sp4 has been installed?

I'm trying to ensure we'll all up to date since our dual 700 procs are acting eratic...jumps between 10 - 95% or so.

Server info:

NT Server SP6
SQL 7.0
2GB Ram
2 procs @ 700Mhz
Roughly 80 network connections.
No other programs running on server except Antivirus.

Thank you!