David O'Brien

David O'Brien

Former MVP for Microsoft Azure. Interested in all things cloud security.

Recent Posts

Start-CMApplicationDeployment takes forever to complete in ConfigMgr

1 minutes read

I recently had to create about 300 ConfigMgr 2012 Application Deployments for a customer migrating from NetInstall to Microsoft Configuration Manager 2012 SP...

Findings in System Center 2012 R2 ConfigMgr, what is really new

1 minute read

I have finally deployed a Configuration Manager Site on Windows Azure. Quite an experience! I now can finally put a lot of my Lab workloads from my notebook ...

Powershell , what is new in ConfigMgr 2012 R2 RTM

1 minute read

I just did the upgrade of my local ConfigMgr Lab from 2012 R2 PREVIEW (!) to RTM. THIS IS NOT SUPPORTED!!! What changed with regards to Powershell? This i...

How to configure Full Update on Collection in ConfigMgr with Powershell

2 minutes read

I did a little cleanup of my ConfigMgr collections and came across a problem I already had before but did not solve properly and someone on Niall’s forum als...

How to rename machine during ConfigMgr OSD

4 minutes read

I just came across a scenario where I had to do a migration from Windows XP to Windows 7. The “old” environment had no naming convention for its clients and ...

Speaking at E2EVC conference Rome

1 minute read

After Vienna in 2012 and Copenhagen this June, this will be my third time visiting and also speaking at E2EVC conference. This will also be my first speaking...

First time awarded as Microsoft MVP

less than 1 minute read

I am very happy to tell you that today, for the very first time, I was awarded as “Microsoft MVP for Enterprise Client Management”. Thank you everybody fo...

System Center Universe (SCU_DACH) live blog

7 minutes read

Blogging live from SCU_DACH in Bern During the next two days I’ll be busy in Bern (Switzerland) attending the “System Center Universe DACH” event in Bern. ...

How to unlock objects in ConfigMgr 2012 with Powershell

2 minutes read

Unlocking packages or apps in ConfigMgr 2012 Crap! Do you know this message? Most probably your console just crashed a minute ago while you were editing t...

How to execute ConfigMgr 2012 Task Sequence from Powershell

2 minutes read

Execution of a ConfigMgr task sequence from Powershell This little script or function I wrote because I saw a question on the german TechNet forums about it...