I am trying to share (with full permissions) calendars across two different exchange servers in two locations. So here is the setup:
1 x Exchange 2007 (location 1)
1 x Exchange 2003 (location 2)
Different versions of Outlook (ie Outlook 2003/7)
Localised GAL for each server (so they are not shared). There is no VPN between the two servers but that can be setup. They are not part of the same domain, forest etc.
Basically I want to add/edit/delete events on some other users account in the exchange 2003 server from location 1.
I googled and found that there are a few ways this can be done but no definite solution. These include using webDAV (but I think this only work with outlook 2007) and merging the 2 exchange servers.
I am also a bit new at using Exchange, so I am still trying understand how the 'black box' actually works.