You have to install a Cumulative Update in Exchange Server 2013/2016/2019. It's good to keep the Exchange Server up to date. Plan the update before starting, and keep in mind that it can take time before it finishes. Also, if…
We like to delete a mailbox database in Exchange Server after moving all the mailboxes to another database. However, before we start deleting the mailbox database, let's look at the required steps. This article will teach you how to remove…
How to combine PowerShell with a scheduled task to change Users UPN automatically? Why do we want to change Users UPN automatically? First, I always say that if you can automate the process, you should do it. Second, all the…
Exchange OWA and ECP are showing that your connection is not secure. The administrators can't sign in to ECP, and users can't sign in to OWA. It's happening in all browsers; Internet Explorer, Firefox, and Google Chrome. How to fix…
We update Exchange by running the setup, and an error appears. The error shows that Exchange setup can't continue PowerShell has open files. We are upgrading Exchange 2016 CU13 to Exchange 2016 CU16. Let's look at why the error appears…
I am upgrading Exchange 2016 CU3 to Exchange 2016 CU9. Updates for Exchange Servers are essential, just like all other systems. Bugs get fixed, and new features get introduced. That's always great to see. This time the Exchange setup failed,…
How to enable the Windows Firewall with PowerShell in Windows Server 2012/2016/2019? I recommend turning on the Windows Firewall with PowerShell. But if you have a test lab and you want to keep it disabled for testing, go ahead. Don't…
We like to update .NET Framework in Exchange Server 2013/2016/2019 because we want to install Exchange Cumulative Update. What is the best approach to update .NET Framework in Exchange Server? Do we first update .NET Framework or run the Exchange…
Install Exchange Server with GUI step by step on Windows Server. Before installing Exchange Server, make sure to install Exchange Server prerequisites first. You don't have to prepare Active Directory and domains for Exchange Server, as the setup wizard will…
When doing an authoritative restore in Active Directory, we need to run the command DFSRDIAG POLLAD. This will force a DFSR server to check with Active Directory (AD) for configuration/replication changes. We can run the command in Command Prompt or…