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March, 2010  // Posts published in March, 2010

30 Mar Posted by tim in Active Directory | Comments

Add an additional attribute to Active Directory

Add an additional attribute to Active Directory

How can I add an additional attribute to Active Directory Users and Computer’s default view? This is a classic but I thought I’d outline the steps below. I’ll keep this relatively short as you can find tons of information out there on how to do that. What we’re going to do is tell Active Directory...

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29 Mar Posted by tim in Active Directory | 1 comment

Restoring Users and Groups from a Server 2008 R2 Recycle Bin

Restoring Users and Groups from a Server 2008 R2 Recycle Bin

Server 2008 R2 brings the Recycle Bin feature for Active Directory. You can think of it as the recycle bin in Windows you move your documents and spreadsheets in – just for Active Directory. With the recycle bin enabled (note: you’ll need Server 2008 R2 forest functional level enabled) objects deleted from a partition aren’t...

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28 Mar Posted by tim in Active Directory | Comments

The “Return deactivated links” control in LDAP

The “Return deactivated links” control in LDAP

I’ve blogged about the Recycle Bin feature in Server 2008 R2 and was wondering how group membership of users was stored, when groups were deleted (or vice versa). In general, forward- and backlinks are stripped of an object once it becomes a tombstone (gets deleted without the recycle bin feature). In Server 2008 R2, this...

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27 Mar Posted by tim in Active Directory | Comments

How to check whether changes to an NC have replicated to a DC

How to check whether changes to an NC have replicated to a DC

You made changes (accidentally or not) to a NC on a DC and want to check whether these changes have replicated to a specific DC? One possible solution here is repadmin /showrepl: repadmin /showchanges. For me, it becomes: repadmin /showchanges dc3 0471c1d5-9e2c-47c8-847a-f002a1d023ce DC=intern,DC=frickelsoft,DC=net. I want to check whether changes made to intern.frickelsoft.net on dc1 (whose...

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26 Mar Posted by tim in Active Directory | Comments

How to Build an AD Replication Delay (Lag) Site

How to Build an AD Replication Delay (Lag) Site

To prevent having to restore objects from Active Directory due to accidentally deleting an object, you can have a remote DC which only sends/receives replication on a limited basis. You also want to prevent users from authenticating against, as well as services being used by other machines, since the metadata on this DC is aging...

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25 Mar Posted by tim in Active Directory | 7 comments

How to Extend the Active Directory schema in Windows Server 2008

How to Extend the Active Directory schema in Windows Server 2008

Before extending your Active Directory, make sure to have considered the possible implications of doing so, for example if something does go wrong during the procedure then you’ll want to have a backup in place for your Active Directory Schema. SCCM needs the Active Directory schema to be extended, so to do so we’ll need...

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24 Mar Posted by tim in Active Directory | Comments

How to Create the System Management Container in Active Directory

How to Create the System Management Container in Active Directory

Using Adsiedit, Create a container in AD, CN=System called System Management by right clicking on CN=System and choose New Object, scroll down to container from the list. Click “Next”, give it a value of System Management. In Active Directory Users and Computers expand the System container, and right click click on System Management. Choose “Delegate...

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23 Mar Posted by tim in Active Directory | Comments

Account Operators Group and AD Computer Accounts

Account Operators Group and AD Computer Accounts

Account Operators is a default groups located in the Builtin container. Members of this group can create, modify, and delete accounts for users, groups, and computers located in the Users or Computers containers and organizational units in the domain, except the Domain Controllers organizational unit. Members of this group do not have permission to modify...

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23 Mar Posted by tim in Windows 7 | Comments

Disable AVI preview in Windows Explorer

Disable AVI preview in Windows Explorer

The preview feature in Windows Explorer is really useful until you need to perform file management tasks on AVI files like deleting, renaming, or moving them. You’ll often get “access denied” messages if you don’t let Windows finish its scan. So to remove this feature, you can run these commands from a Command Prompt (Start...

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