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Site to site ISA 2004 and 2006 - 16.Mar.2009 5:06:44 PM

bctgroup

Posts: 34
Joined: 29.Nov.2005
From: Paul Welsh
Status: offline

Hi all

For disaster recovery purposes we intend placing some servers in a data centre and creating a VPN WAN. The servers would include a domain controller so in essence we'd be running one network.

We have ISA Standard 2004 at the office. The plan I had was to buy another ISA server for the data centre.

The ISA servers would be dedicated.

Any advice on the thoughts that follow would be appreciated:

1. I would be buying an ISA 2006 licence. Should I use it or downgrade to 2004 so we're running identical software at each location?

2. Is ISA 2004 OK for this site to site VPN or should I use 2 x ISA 2006 machines?

3. The ISA at the co-lo centre wouldn't be doing anything other than acting as a VPN. Might it be sensible to save the power costs (a major issue with co-lo) by buying 2 x inexpensive VPN appliances from the likes of Netgear or Linksys and use them to make the VPN and keeping ISA out of it? I could build an ISA server as a virtual machine which I could keep at the remote site and fire up at the time of a disaster if we wanted something more sophisticated at the time of invocation.