AD: Directory Services could not start

While recently testing few scenarios in HyperV I somehow managed to corrupt one of my domain controllers in lab. LAB was based on Windows Server 2008 Datacenter. While rebooting server, server booted fine until the stage where I had to login into Windows.
Instead of getting login screen I got blue screen for fraction of a second, and then everything rebooted again. Read More

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NetApp FAS: How to reformat storage

I recently came upon few NetApp FAS SAN Filers. In order to get more space out of them, I had to reconfigure them. Person who initially configured them had too much disks attached to root aggregate, I wanted to completely reconfigure storage so I had to destroy current configuration and rebuild all the RAID fields. Read More

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DPM 2012 R2: Unable to configure protection (SQL)

If I write something about Microsoft DPM 2012 R2 and it is usually about problems. Seems for me like every step is a problem. Today I`ll be writing about protection of SQL database. I have SQL Server 2012 STD that I want to protect. But, when I create protection group I get following error “Unable to configure protection”. Read More

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Demote Windows Server 2008 DC: Removing Server 2008 DC

This article will cover demoting of Windows Server 2008 DC server after Windows Server 2012 R2 is added to domain as DC.

Edit August 2021 – we are also almost at the point (October 2023) when we will have to discontinue our Windows Server 2012 R2 DCs – I put up guide on how to demote Windows Server 2012 R2 and you can follow it herehttps://www.informaticar.net/demote-windows-server-2012-r2-dc-frs-to-dfs-migration-is-also-covered/

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