When your clients logon to your domain you can give them a nice greeting or a company policy notice. Read this guide on how to do so.
If you do not have an email client to hand you can send an email via the command line telnet command. Follow this guide on how to send an email from telnet command line.
Renaming your server 2008 is quite a big task,, follow this step by step guide on renaming your server 2008 domain.
When you try to use the powerhsell imoprt mailbox command its says the command is invalid. The same with export mailbox. Here is how to enable the import and export mailbox commands.
A step by step guide on how to disable my network places icon and options with group policy. How to hide my network places from users.
By default only one administrator can connect to server 2008 by default, here is a guide on how add more that one user at a time to use RDP..How to allow more than 1 administrator on server 2008 at a single time
Step by step guide on transfering you FSMO roles in GUI and command line.How to transfer FSMO roles from one server to another guide.
When you log on to a 2008 server you see message such as appliying group policy or applying settings, here is how to remove all logon messages in server 2008/sbs 2008 and 2011.
You can manage what users use what desktop pc with a group policy, here a a guide on how to setup this GPO to manage users login rights to desktops.
If you are migrating your DHCP service to another server then you will need to backup the DHCP database and then restore it on the new server. Here is how to do so.
Changing the domain administrator is a straight forward job – aslong as you follow the pre-requisites. Here is a step by step guide to changing the administrator password on your network.
How to locate your memory dump file after a crash to see why it crashed, this is usefull in diagnosing blue screen errors.
SSL 3.0 is not enabled in server 2008/sbs2008 and sbs2011 out of the box. It can be enable from the registry however. Here is how to enable ssl 3.0.