MarkC on UC Microsoft Skype for Business, Lync, Exchange & Everything Else

The Curse of Monthly Subscriptions

They're so cheap, WAIT, why am I spending a ton of money of subscriptions. Interested? Click here...
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Adding multiple users to an Office365 Group

How do you add multiple users to an Office365 group using PowerShell?
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Who owns an email alias in Office365?

How do you find if an email address is assigned to a user in Office365?
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MacOS High Sierra - Another Security Bug

Yet another security issue with MacOS High Sierra - let's have a quick look at it.
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Windows 10 - Profile is Grey

Messing around with one of my Windows 10 VMs earlier, and the profile seemed to lose its colour and go grey/gray. Here's how to fix.
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