Seeing that you have HP and 3COM switches I would use HP's very good management and monitoring software IMC. You can download a free 60 day trial and if you whack it on a VM it should only take 30 minutes or so to setup from scratch. It will show you the load of all your switches, draw you a pretty network diagram which can be helpful, show you any config problems and should help you identify any network slowness if that is the problem.
Right some time has passed and made a little progress.
We have a RM CC4 network with 3 DC's with our users spread across the three servers. The only users being affected by this slow down are all stored on server 3. I have also noticed in the server log that in the security event log it is constantly having security audit success and audit failures all day and night! Requests like every few seconds.
What could be causing this?
The other thing i have noticed is there are hundred of errors for RM printer credits in the event logs. We don't use RM printer credits. Has anyone come across this before?
Any thoughts on whether this could be linked to the slow down?
We are on server 2003 so cannot run RAMMap. We're a RM CC4 network so not sure on AppData. Is there a quick way for me to check?
Originally Posted by psydii
I cannot stress enough for the need to setup some kind of network monitoring software; aside from alerts and the peace of mind that comes from it, it'll help out immensely with troubleshooting. There is no need to spend money on this either as there are plenty of good, free alternatives. I'm using The Dude in my district and have every single network device and server across seven buildings setup in it with reporting on UPS units, core/edge switches and even temperature in data center. Included is a map of one of my smaller buildings. Traffic is logged and graphed between all switch links and has already aided me a couple of times in diagnosing issues with a few being broadcast storms. I get the occasional staff member that decides to bring a dumb switch into their classroom where they promptly introduce a switching loop causing a broadcast storm. Trying to find the source in a large building without a monitoring setup would be a lesson in futility. Just glancing at the map I was able to see what switch it was coming in off of, and opening the switches properties allowed me to see the exact port. This is just one time this has made my job a lot easier.
Yes i am looking into this now as we have always used RM Event Master but that notifies our LEA support and not us. Just got a lot of devices to drag around the screen on the dude to clean it up a bit :P
Originally Posted by Duke5A
Would you say the Dude is the best free monitoring software available?
That I've found yes, but The Dude doesn't look like it is being actively developed anymore. Mikrotik has been silent in the forums regarding it's development for a couple of years now. It still works though and I see no reason to look for a replacement.
Originally Posted by tj2419