Migrating SYSVOL to DFS-R

Once all the domain controllers in a domain are running Windows Server 2008 and above, you can change the SYSVOL replica set to use DFS-R (as opposed to FRS). The key benefits of migrating to DFS-R are Self healing functionality (e.g. journal wraps) Improved RODC support Efficient replication Note that the http://blogs.technet.com/askds/archive/2009/05/01/sysvol-migration-from-frs-to-dfsr-whitepaper-released.aspx provides details of…

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Lessons learned on CritSit or The importance of updating drivers

As a premier field engineer I have a responsibility to do several on call shifts a year. The week just gone was one such on call shift learned the importance of updating drivers  during it. Allow me to elaborate. I got a call around 2AM Wednesday about a customer that needed help recovering the business…

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Sysinternals to the rescue

This is a quick post to get me back into the spirit of blogging. Some time back I was onsite performing an ADRAP to assist the customer with some issues they were having with their AD. Among the many issues we found was one DC reporting the following in its system/DS and FRS event logs….

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The case of the blocked FRS replication

So I haven’t written anything in quite a while and felt compelled to write something I recently ran into. A customer of mine is in the process of implementing Windows Server 2008 RODC in their branch offices. In order to do that, they are planning to in-place upgrade the W2K3 DCs to W2K8 at the…

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NTDSUTIL – Group Membership Evaluation

I just had an issue at a customer where we were troubleshooting an issue where users could not use the SQL Management studio to connect to a SQL server remotely. Local login to SQL server interactively and then launching the client tools worked. The cause was the number of groups the user belonged to. To…

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