available or not. I also had to challenge this scenario while scripting for a customer. After this I thought this is something many people may need. So here is my solution with some explanation to use it in your own script.

PowerShell Versions you can choose the following cmdlet: Update-Module (PS-Version5.1). But I wanted to have a function which can compare versions of any powershell module and can also compare any other version. Therefor I did some research in google and found .Net Framework class [version]. Some blogposts later I got the comparing mechanism to check if one version is older than another.

so you may need also cleanup disabled users from groups. Sometimes you don't want to delete users but only removing them from AD groups is required (often for licensing issues etc.)

organization. Let's spend some time to learn some default use cases lot of exchange admins have to do. In this article I'm showing a various combination of different PowerShell cmdlets, with special focus in the new Exchange Online cmdlets. You can do a much more crazy stuff, but I want to show some basics.

products) and your script fails because it does not find the newly created object. Yeah that's a big issue especially in the wonderful cloud, and if you want to automate tasks. So I invested some time to script this issue, which is not really difficult. It may help others during scripting.

some strange mails. So I had a look at the O365 security and clompliance center. After searching some reports I found out, that every E-Mail four users receive was redirected to a GMAIL address. The report also said that it was done with some inboxrules (the user never set up). Here some screenshots from the Azure Security Center and Compliance Center.

released. Yes I know there is a overview in Teams Admin Center, but I thought it would be nice to do this and some kind more via PowerShell Module. So I picked up the script and build it again with the organic PowerShell Module for Teams.

ldap signing. See LINK. This affects every supported version of Windows Server (from 2008R2 till 2019). There is another LINK ADV190023 with detailed explanation.

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