Troubleshooting “RPC server is unavailable” error, reported in failing AD replication scenario.

  In this scenario when are troubleshooting AD replication between 2 DCs separated by a firewall.       In order to ensure that the important well-known ports required in a domain environment are open on the firewall between these DCs, use the PortqryUI tool.   PortqryUI http://www.microsoft.com/downloads/details.aspx?FamilyID=8355e537-1ea6-4569-aabb-f248f4bd91d0&displaylang=en   Run this tool on both these DCs…

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Windows 7 – Applocker

Windows AppLocker is a new feature in Windows 7 and Windows Server 2008 R2 is an alternative to the Software Restriction Policies feature.   New with AppLocker ==================   ·         Define rules based on file attributes derived from the digital signature, including the publisher, product name, file name, and file version. For example, you can create rules…


Preventing Unwanted/Accidental deletions and Restore deleted objects in Active Directory

Preventing Unwanted/Accidental deletions   Windows 2003   Use Delegation to restrict the deletion activity, to only selected Admins. ·         Create group which contains users, who you want should NOT have the delete permission of set of objects in AD. ·         Deny those group permission to Delete and Delete Subtree permissions on specific organizational units (OUs)…

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