What you need to know in Microsoft Exchange

Microsoft Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Luckily, our members in our Microsoft Exchange Community at EE are pros! In this article you will find some common questions people ask about the ins and outs of Exchange Server as well as plenty of useful troubleshooting tips, guides, and even some tutorials for Exchange Server.

Some of the topics include:

Migration
Security
Server

Lastly, don’t forget to join the Microsoft Exchange Group! - The Microsoft Exchange Group on Experts Exchange

Migration

A large talking point in Microsoft Exchange is the topic of Migration. Many Migration issues are prevalent in the Exchange Server world. Some included issues in this category are user’s on-premise mailboxes not being migrated to Exchange Online, or even some issues such as migrations to Exchange online failing when using Modern Hybrid. Nevertheless, migration issues are annoying and can ruin your day. But thankfully, many of our members and experts have already done some of the hard work for us!
This user's on-premises mailbox hasn't been migrated to Exchange Online - Article
Mailbox migrations to Exchange Online fail using Modern Hybrid - Question
Exchange Hybrid Mailbox Migration Failing - Question
Cross-forest Exchange migration in O365 hybrid environment - Question

Security

Security in Exchange Server is without a doubt one of the most important aspects to learning Microsoft Exchange. That being said, vulnerabilities are bound to occur so it is imperative to stay up to date with the latest security information from Microsoft Exchange as well as what our Experts believe to be the best course of action. Daryrl Ponting, when asked “What is one piece of advice you would tell people first starting Microsoft Exchange?” answered with “Understand the DNS and SSL certificate requirements…” Interested in learning more about the best approaches for security in Microsoft Exchange?
Exchange HAFNIUM+ Mitigations - Article
Mail Flow breaks after renewing SSL certificate on Edge server - Article
New 0-day vulnerability found in Microsoft Exchange - Question
Certification Clarification | Office 365 setup - Question
Outlook Certificate alert - Question
Importing SSL certifications via Exchange Shell - Question

Tips and Tricks

If you have been working with Exchange Server for some time, chances are you have come across some simple hacks that make your life way easier when dealing with minor issues. Thankfully, Experts Exchange has a large number of members that have spent plenty of time writing articles and posting questions that can help your work become 10x easier!
Precheck when user mailboxes are migrating from exchange on-prem to Exchange online - Article
Prepend a warning message to externally originating email in Exchange 2016 - Article
Email Statistics including mailbox database quotas - Article
Steps to solve content index failed error - Article

Conclusion

Are there topics you think should be explored in the Exchange Community? Comment below any thoughts or suggestions you might have.
Couldn’t find an answer to what you were looking for? Members of our MS Exchange community have answered questions for their peers, and can offer their advice on questions you have in Exchange Server. You can ask your question to the Exchange community here!

What you need to know in Microsoft Exchange