Exchange 2010 DAG Passive Node Visibility and the EnableVSSWriter Regkey in Data Protection Manager

Hi everyone, Andy Nadarewistsch here, and today I want to talk about passive node visibility in System Center Data Protection Manager. To be more specific I would like to discuss why passive nodes would not show in the DPM console. In general, there are only a few reasons why you would not see a passive… Read more

Troubleshooting Hyper-V protection failures due to networking problems

There are many failures that can happen when protecting Hyper-V hosts and CSV’s that are a result of the Cluster network configuration not being optimized for redirected mode communication. In most cases these problems will only happen under a heavy load, and when it happens we can lose access to the storage that houses the… Read more

Using System Center Data Protection Manager 2010 to perform a host level backup fails with error 0x8007173D

Here’s a new DPM 2010 KB article we published this morning.  If you see an issue where some recovery point jobs fail intermittently when performing a host level backup of guests located on a CSV in Windows 2008 Hyper-V Cluster then this one’s for you: ===== Symptoms When using System Center Data Protection Manager (DPM)… Read more

Exchange 2010 can be protected by multiple DPM servers

I like to draw attention to something that may not be well known and surprise some old ‘die hard’ DPM’ers. You probably are familiar with the ‘rule’ that all protected hosts within a cluster must be protected by the same DPM server! This is does not apply to Exchange 2010 and is formally documented here:… Read more

System Center Data Protection Manager 2010 Hyper-V protection: Configuring cluster networks for CSV redirected access

Just a quick heads up on a new System Center Data Protection Manager KB article we published this morning.  This one talks about configuring cluster networks for Cluster Shared Volume (CSV) redirected access: ===== Summary When System Center Data Protection Manager 2010 (DPM) is protecting Hyper-V guests using the Microsoft Software Shadow Copy provider (the… Read more