After you run the Enable-RemoteMailbox cmdlet to create an Exchange Online mailbox for an existing on-premises user, it fails. The errors show up that ExchangeGuid is mandatory on UserMailbox and Database is mandatory on UserMailbox. What's happening, and what is…
The task is to change the Exchange Server DAG witness server to another server. Why is that? One of the reasons is that the witness server is not booting anymore. Another reason is that you want to decommission the server.…
It's recommended to configure the mailbox database quotas after you create a new mailbox database. This way, you keep the mailbox database storage quotas the same on all the databases. If you move a mailbox to another mailbox database, it…
An excellent way to find out which mailboxes are on an Exchange database is to use PowerShell. With Exchange Management Shell, you can immediately see which mailboxes are located in the database. In this article, you will learn how to…
What is the best way to balance mailbox databases in Exchange Server? There are a couple of ways to balance Exchange mailbox databases. In this article, you will learn how to use the PowerShell script that comes with Exchange Server…
How to check Exchange database copy seed status after you add a mailbox database copy? You want to know the percentage and speed of the mailbox database copy seeding. With that information, you can update the team or have an…
Incidents and problems are surfacing about Exchange Server, and you like to check the Exchange Server health. What is the best way to check the health? Perhaps you want to add a new Exchange Server to the environment, and before…
After you set up the Database Availability Group (DAG), you want to add a database copy to the mailbox databases. When you update Exchange Server or when it fails for any reason, the mailbox databases will stay active. In this…
In the course Exchange Server High Availability, you learned how to load balance Exchange Server and keep the mail flow active. To complete the course, it's essential to create a Database Availability Group (DAG) in Exchange 2013/2016/2019. Configure Exchange DAG…
How to test SMTP communication with PowerShell? After you enable the SMTP service on the firewall for a specific system or configure an anonymous SMTP relay, you like to check that SMTP works. Telnet is your choice. But, what if…
