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Slow Web Performance... - 20.Aug.2007 5:03:30 AM

raj_raj

Posts: 3
Joined: 20.Aug.2007
Status: offline

I have a medium office with approximately 80 users, T1 connection to Internet and Active Directory domain.

Couple of days back I installed ISA2006 on one of my servers (PIV-3 GHz, 1 GB RAM, 120 GB HDD SATA) to play with it. I really liked the features ISA offering and decided to upgrade my KERIO firewall to ISA 2006.

I switched myself and couple more users to it, everything looked great for about week.

After week of testing I switched all traffic from all workstations to ISA 2006 and noticed very slow web performance right away.

When I switched all users back to KERIO everything was back normal again.

I though I screwed something in the settings so I took recovery CDs, restored everything to original state on ISA box and again switched myself and couple users to it.

And again everything was normal until I switched all users to it.
When all 80 users using ISA as default gateway web performance is really slow, like it's dial-up connection, some time it get disconnected from LAN.

I was using Monitring tab on ISA 2004 to watch the packets in real time but I didn't find anything suspicious.

I am sure all my hardware is connected properly because KERIO works just perfect.

At this point I am stuck with this problem and have no idea how to resolve it.

Any help will be greatly appreciated.