We are facing problem of ACS web interface stop responding whenever a Network Device Group is edited/added/deleted. This happens regardless of whether the web interface is opened remotely or on the ACS server.
The session needs to be killed and then have to wait several minutes before attempting to edit NDG (although new session to ACS can be opened up almost immediately).
I have checked there are no proxy settings in the browser, no firewall in between, etc.
ACS is installed on Windows 2003 Server Enterprise Edition with SP1.
ACS installation on another server of same hardware specs and java version works fine. The difference is that the OS on the working ACS is Win 2K3 Ent Ed. without SP1. However, according to Cisco, WIN 2K3 Ent Ed with SP1 is a supported platform.
My ACS version is 4.0(1) build 27.
Any ideas?
