Category: Powershell

Getting things ready for cloud migration or anything different, lot’s of companies need to change their users UPNs. As consultant I had to do that several times, therefore I wrote some lines of PowerShell code, to manage this. It’s not that difficult, but for documentation my script also creates a CSV file with the UPNs […]

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When scripting with cloud users in AzureAD some people might ask how to check if an Azure AD user is 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 […]

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Dealing with PowerShell is a great thing, especially if you have to administer a large and dynamic 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 […]

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Some time ago Microsoft announced the changing of default domain controller behavior for ldap and ldap signing. See LINK.This affects every supported version of Windows Server (from 2008R2 till 2019). There is another LINK ADV190023 with detailed explanation. I think there should be no discussion to change your domaincontroller to ldap signing only. But what […]

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Lot of customers in small and medium businesses are using CTI Software for calling and connecting their PC with telephone. In most cases the software is connected to active directory and it’s using or maybe adding the SIP attribute to “proxyaddresses” attribute. Sometimes these software copies UPN (userprincipalname), but often this is not the same […]

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