Outbound mail queued up at Edge Server with 451 4.4.0 DNS query failed

I have came across a couple cases with this issue as of recent and thought enough to create a blog post on, since if I see the issue on multiple people calling into MS support for an issue with the same fix, I’m sure others are experiencing it as well. I’ll keep this short and…

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Exchange 2016 users unable to edit Distribution Group membership using Outlook

I’ve come across a few of these cases recently and felt obligated to put up a post about this issue. Of course you can check the basics, do they have the required RBAC role, is it a Universal Security Group, etc, or any of the causes listed HERE but the cases I’ve had and am…

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Hello world!

Welcome to Developer Network. This is your first post. Edit or delete it, then start blogging!

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