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Missing Group Memberships in AD??

Archived in the category: Active Directory, Windows
Posted by Olga on 29 Jun 10 - 0 Comments

I ran into something really interesting today that took some time to figure out.. Thought I should post in case anyone else is puzzled by the same scenario (and so that I can remember later).
I was running queries for group memberships and found inconsistencies between what I was seeing in ADUC and what my queries [...]

In order to enable users to join computers to the domain, grant the following permissions:

AD: Replication Protocols

Archived in the category: Active Directory, Technology
Posted by Olga on 16 Oct 09 - 0 Comments

Replication links within Active Directory can be configured to use IP, RPC or SMTP for their transport protocols. Each is explained below:

AD: Managing Local Administrator Group Memberships

Archived in the category: Active Directory, Security
Posted by Olga on 25 Sep 09 - 0 Comments

Being able to easily delegate access to domain systems is essential for administrators to enable necessary IT staff to manage their environments. The proper OU structure along with the deployment of Active Directory GPOs makes this a fairly simple task.
GPOs can be used to add users or groups to local admins or to replace [...]

Sync your Domain with an Internet time server

Archived in the category: Active Directory, Security, Technology, Tools, Windows
Posted by Dave on 19 Sep 09 - 0 Comments

Recently, the time on all of my domain computers was out of sync. Each computer in my domain had the same time, but it was about 10 minutes slow. Domain computers get their time from your domain controller(s), so I looked into syncing the time of my DC with an internet time server. The steps [...]

Occassionally, I need to test the connection my Exchange server is making to Active Directory.  I always forget the syntax of this command, so I am putting it in my blog.

E2K7: Exchange Cache Limits

Archived in the category: Active Directory, Exchange Server, Technology
Posted by Dave on 21 Jul 09 - 0 Comments

There are so many articles that I need to write for myself, but with my workload it becomes difficult.  I’ve resigned myself to posting links to other people articles.  Maybe some day I’ll get back to these. 
This article discusses Mailbox cache limits in Exchange.  If you ever find yourself in a situation where someone like [...]

Active Directory Topology Diagrammer

Archived in the category: Active Directory, Technology
Posted by Dave on 16 Feb 09 - 0 Comments

Map Active Directory in Visio
http://www.microsoft.com/downloads/details.aspx?familyid=cb42fc06-50c7-47ed-a65c-862661742764&displaylang=en&tm

How the OCS Address Book Works

Posted by Dave on 03 Sep 08 - 1 Comment

The OCS 2007 Address Book service’s primary purpose is to provide updated GAL information to the OC 2007 client. It will also provide phone number normalization service for OC 2007 clients. The ABServer.exe is scheduled to query AD periodically for updates to user / group /information and provide this delta of updated information to the [...]

C:\Program Files\Microsoft Office Communications Server 2007\Server\Core>abserver -regenUR
Wait 5 minutes and then run the same command with the -SyncNow switch
On the client, close Office Communicator, and delete GALContacts.db (found in the user’s profile directory under Local Settings\Application Data\Microsoft\Communicator) and then restart the client.