Remote Desktop

 Try logging in as Administrator/password instead of a regular user.

Uninstall network services (control panel/install uninstall software/Small Business Server 2003/–set first entry to manage–set network services to uninstall), then reinstall but don’t update to SBS SP1

Hive cleaner:

Policy editorhelp

type mcc in run

On the File menu, click Add/Remove Snap-in.

To add users to the Remote Desktop Users group

1.	Open Computer Management.

Notes

•	By default, the Remote Desktop Users group is not populated. You must decide which users and groups should have permission to log on remotely, and then manually add them to the group.
•	To open Computer Management, click Start, click Control Panel, double-click Administrative Tools, and then double-click Computer Management.

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Edit group policies

Allow log on through Terminal services

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I re-installed Actived Directory on the DC and
everything is fine.