Mike's IFAS AD Progress notes
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Sorry I haven't updated everyone in a while...
We are making noteable progress in the lab. Just yesterday we set up a Cross Realm Trust to UFL.EDU (GatorLink) and setup a SQL Server connection to the Campus DB2 database.
Here are a few noteable observations:
What we are going to focus on next is hardening the DC's acording to the Windows Server 2003 Security Guide
This will entail setting up IPSEC filters, tunnels, etc on the DC's to limit their exposure.
The design of the lab is in flux too, the diagram I created is already out of date. We will be getting a larger block of IP addresses next week so we can add more systems to the lab.
Here is a real quick summary of the basic structure of the lab:
As we get things a little more solidified we will be asking for some help testing authentication methods from remote sites.
Here's where we are in the lab:
Over the next few weeks we plan on building a VPN server and may start placing these systems on Public IP addresses for further testing, including WAN testing.
Also the phone numbers for the lab is 846-0226 in case you want to call me while I'm there (usually 10-5 during the week). Also, if you want to drop by and see the lab and our progress it is located in 3104 in the Journalism Building (Weimer Hall).
I'll try and update the Visio diagram once we get things a little more solidified.
Current Test Environment
Note that this is only a preliminary test environment and is apt to start changing rapidly. We are in the process of securing a more permanent lab space, possibly with Journalism or at ERP headquarters.
So far we have made some progress in testing, which seems to have answered some questions but given us many more.
We have tested:
Kerberos Cross Realm Authentication with a TwoWay transitive trust from Windows 2003 AD to the MIT Kerberos Realm.
(This will have to be retested in a One Way trust setup to replicate what will eventually be in place at UF)
We tested and saw that logon scripts assigned to a user account worked both when logging on via Kerberos or Windows AD account from a Windows 2000 Pro workstation.
We will need to investigate usage of a GPO to add the KDC information to workstations. There is a tool that was developed by MIT to create the REG_MULTI_SZ registry key directly since it is in a binary format. (more to come later...)
What did not work is Cached credentials using the Kerberos logon. Also, Kerberos username are Case Sensitive, therefore mikekano and MIKEKANO are completely different, so this might cause some user "frustration".
We also began some preliminary testing of using the Active Directory Connector (ADC) to migrate Exchange 5.5 into the Active Directory. This tool has some limitations in that since the Exchange server is in a separate Domain and also a separate Exchange Organization and Site it cannot actually move the accounts or data over. The ADC is merely a connector and is not intended for permanent usage.
We plan on looking much closer at the Aelita tools and other scenarios for Exchange upgrade / migration strategies.
Some of the next stages will be to place the test environment on public IP addresses (or behind a vlan or VPN) to start testing across the network.
I'll know more next week.
Last updated 04/14/2005