John Savill


John Savill is a Windows technical specialist, an 11-time MVP, and an MCSE for Private Cloud and Server Infrastructure 2012. He's also ITIL certified and a CISSP. John is the author of the popular FAQ for Windows and a senior contributing editor to Windows IT Pro, as well as the author of Microsoft Virtualization Secrets (Wiley) and Mastering Hyper-V 2012 R2 with System Center and Azure (Wiley). John's blog is available at

Q. What is the maximum number of concurrent users of System Center App Controller?
Learn the maximum number of concurrent users with App Controller
Does automatic failback use Live Migration?
Is Live Migration used for automatic failback?
Q. How do I stream from my Xbox One to Windows 10 Xbox application?
Stream from your Xbox One to your Windows 10 machine.
Q. How do I use the Game Bar in Windows 10?
Use the Windows 10 Game bar for each screenshots and recordings of your Windows 10 games play.
Why is the manually installed Operations Manager agent not monitoring AD correctly on DC?
Fix problems with AD monitoring on a DC with a manually installed OpsMgr agent
Why does my Operations Manager Azure MP show expired certificates?
Find out why Azure MP in Operations Manager is complaining about certificate expiring even when the certificate you used is valid.
Q. Do I need multiple NICs for Web Application Proxy?
Understand NIC requirements for Web Application Proxy
Q. How can I move resources between Azure Resource Groups?
Move resources between resource groups using PowerShell
Incorrect subscriptions showing after Add-AzureAccount
Solve inconsistent subscriptions shown after Add-AzureAccount.
Azure VM network egress speeds
See the different egress caps for various Azure VM sizes.
Copy content from one Azure Storage account to another
Copy everything from one Azure storage account container to another.
ASR failback of a physical server
How can a failback from a physical server occur and does it?
VM sizes to use with Azure Site Recovery
Understand how to size VMs in Azure to use with ASR.
Send object to multiple targets in PowerShell
Learn how to send output from PowerShell to multiple targets such as pipeline, variable and files.
PowerShell Storage Space Creation Tips
October 7, 2014

This is expected. You are using an environment based on Windows Server 2012 R2 to create (Windows PE 5) then trying to read on a prior version, Windows Server 2012.

Azure Auto-Scale for IaaS
August 23, 2014

Yep, when I wrote it I didn't think the queues would be that useful however when revisiting I see the use cases so updated :-) Thanks

Windows Server 2012 R2 Hyper-V
March 13, 2014

I can't speak for internal Microsoft policy however with the new scalability I see many virtualized SQL environments. There are still environments that keep it physical but...

Remove Lync-Specific Attributes for Users
February 28, 2014

The modified code for those 3 included would be:

get-aduser -filter {msRTCSIP-PrimaryUserAddress -like "*"}|set-aduser -clear msRTCSIP-PrimaryUserAddress,msRTCSIP-...

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