Windows Active Directory

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Hi there! Welcome to my blog. My name is Ivan. I am a Dutch IT Professional working as Principal IT Consultant. Read more about me..

News, Problem Solutions and Other Interesting Information...

Active Directory: Tombstone Lifetime of 60 days with a virtual machine

Posted by Ivan
/ February 8, 2009 / Leave a comment

My domain controllers didn’t receive any replication updates from their partners. I checked Event Viewer and saw a lot of error messages and warnings. The domain controller I was analyzing, run on Windows Server 2008 as a virtual machine. EventID 1925, 1435 and 1663 warnings were showed in the Directory...

Posted in Windows Active Directory
Active Directory : KCC recreate NTDS links

Posted by Ivan
/ November 26, 2008 / 1 Comment

If you are experiencing replication problems between your domain controllers, then there is a quick and dirty way to force the NDTS topology updates. Usually I encounter those problems when I move DC’s between different locations in my test environment. Start “Active Directory Sites and Services” console, locate the site...

Posted in Windows Active Directory
Active Directory: on a virtual domain controller clocks are skewed

Posted by Ivan
/ June 23, 2008 / Leave a comment

When I open the “Active Directly Sites and Services” console, I got the following error message. My Windows Hyper-V server is sitting in a workgroup. The server it is not syncing to a external NTP time server. One of my domain controllers is running on this host where I had...

Posted in Windows Active Directory
Remove Active Directory without replication

Posted by Ivan
/ April 27, 2008 / Leave a comment

Couple minutes ago I initiated the remove of Active Directory and forced the demotion of a virtual machine domain controller. The domain controller exceed the 60day not being able to replicate and I was not able to get the replication working. It took me more than 90 minutes to troubleshoot...

Posted in Windows Active Directory
Active Directory: DCpromo answer file

Posted by Ivan
/ March 4, 2008 / Leave a comment

The following example demonstrates how to provision an Active Directory domain from an answer file. The installation of domain and domain controller role can be controlled from script and reproduced. This script has been generated for a Windows Server 2003. How to create answer file from DCPromo.exe? Copy the text...

Posted in Windows Active Directory
Computer Account SID hell with virtual machines guests and gsgetsid.exe and NewSid.exe howto

Posted by Ivan
/ December 14, 2007 / 4 Comments

Today I configured new VMWare team and installed one domain controller and one other server as file server. I used my masterbuild server image of Win2k3 EE R2 and both images run the sysprep.exe routine. After the dc was setup to run AD and DNS I joined the second guest...

Posted in Windows Active Directory
Kerberos error eventid 4

Posted by Ivan
/ December 2, 2007 / 1 Comment

Due to migration and tests between VMWare Workstation and Virtual Server 2005 R2SP1 I created two domain controllers for Networknet.nl domain. At some point I had issues with the DNS and than I assigned the IP address of my second DC of the domain to the primary one. Right now...

Posted in Windows Active Directory

Welcome to Networknet Blog!

News, Problem Solutions and Other Interesting Information...

Active Directory: Tombstone Lifetime of 60 days with a virtual machine

Active Directory : KCC recreate NTDS links

Active Directory: on a virtual domain controller clocks are skewed

Remove Active Directory without replication

Active Directory: DCpromo answer file

Computer Account SID hell with virtual machines guests and gsgetsid.exe and NewSid.exe howto

Kerberos error eventid 4

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