Increase print server stability

Use Windows Server 2008 R2 to increase print server stability. Enabling printer driver isolation through the Print Management console ensures that a single problem driver will not crash the entire spooler service, allowing other print drivers to continue functioning. 

Ref: http://technet.microsoft.com/en-us/library/dd878494(v=WS.10).aspx; http://msdn.microsoft.com/en-us/library/windows/hardware/ff560836(v=vs.85).aspx

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DNS Security

One way Windows Server 2008 secures DNS is via configuration of a socket pool, wherein a source port from a random range is opened and a random transaction ID is added, making it more difficult for attackers to poison the DNS cache with bogus entries. Ref: http://technet.microsoft.com/en-us/library/ee683907(v=ws.10).aspx

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Are you having trouble connecting to a network share? Perhaps you have an old user name and password saved, which the computer is trying to use to access the share. You can check for this and remove these old credentials by using Credential Manager in Windows 7. Go to Start, Search, and type "credential" and Credential Manager should appear at the top of the list. In the resulting window, see what is listed under Windows Credentials.

If there is a reference matching the network share you wish to access, highlight it and click Remove from vault. Then try accessing the network share again. If outdated credentials were the cause of the problem, you should now be able to access the share.

This can also be useful when working on someone else's computer. If you connected to a resource, entered your credentials and selected "Remember my credentials," you may wish to use this procedure when you're finished to remove your saved password, so that other users cannot use your credentials.
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