Using iChat Server with Windows clients in an integrated Active Directory/Open Directory environment

A co-worker (Super Brent) and I were working on using iChat as an internal IM server after having used Openfire for a couple days. The reason for switching was basically that we had a Mac Mini Server that was available so we decided to take this on.
First problem: Knowing whether or not Kerberos was needed for AD/OD integration. We spent a ton of time on this, not knowing a huge amount about AD and with our server administrator on courses, we just kept poking at it and removed Kerberos.
For the AD/OD integration, we first bound the Mac Mini to our Active Directory server. We shut off LDAPv3 support as we only wanted to use the AD functionality. Additionally, we ensured that the search policy in Directory Utility only used Active Directory. Then we created an Open Directory master in the Open Directory service. We enabled a self-signed certificate and trusted it locally. After creating the iChat service, ensure that you use the self-signed SSL Certificate and set authentication to Standard. (no kerberos).
Second problem: Once this was complete, we started to test clients out. We were unable to successfully login using our AD credentials using Spark IM and Pandium IM. After trying nearly 100 different variations of server configs, we decided to try a new client. I installed Miranda IM on my Windows XP machine and tried a few different setups. It turned out that the magic potion was to make sure that the "resource" field was set to "Home" and use SSL for encryption. This resource setting was the deal breaker for the other IM clients as many of them such as Spark and Pandium do not have this as a login option.
We ended up using Pidgin IM as the Windows client of choice as it did have the resource variable and it's interface was the best suited for our environment and users.
I hope this helps someone out there as we spent days looking all over the internet trying to figure this out.
Cheers,
Frenchy and Super Brent

Hi,
iChat Server is not something that I know a great deal about.
I tend to point people to the OS X Server Communities and to look out for posts by Tim Harris.
Thanks for taking the time to post this.
9:58 PM Friday; February 10, 2012
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 iMac 2.5Ghz 5i 2011 (Lion 10.7.3)
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb (Snow Leopard 10.6.8)
 Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

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