Uninstall Azure AD Connect
We like to uninstall Azure AD Connect. The organization will no longer use Azure AD Connect to sync AD objects between on-premises AD and Microsoft Entra ID because the servers are moved to the cloud. This is when we like…
Enable Windows Firewall with PowerShell
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…
DFSRDIAG POLLAD is not recognized
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…
Check move request status Exchange
We are moving mailboxes to another database in Exchange Server. It's always good to monitor and check the move request status in Exchange 2010/2013/2016/2019. What if you have many mailbox moves going on and only want to check the completed…
Create user mailbox in Exchange Server
Create user mailbox in Exchange Server for existing AD users or new users to send and receive emails. Have a read in the course Exchange Server before creating a user mailbox in Exchange Server. In this article, you will learn…
Move mail queue to another location in Exchange Server
The mail queue database in Exchange temporarily holds the location for messages. These messages are waiting to enter the next stage of processing or delivery to a destination. The best way is to move the mail queue in Exchange Server…
Exchange firewall ports for mail flow and clients
Are you following the course Exchange Server? If you are, you know that we first have to configure Exchange firewall ports for mail flow and clients. After that, we can start testing sending and receiving emails. In this article, you…
Create bulk mailboxes in Exchange Server with PowerShell
In a previous article, we installed Exchange Server. It's the first Exchange Server in the organization, which means that there are no mailboxes configured. Therefore, we need to create mailboxes for the existing users in the AD. In this article,…
Convert Global to Universal Security Group with PowerShell
We like to convert Global to Universal Security Group with PowerShell. Why with PowerShell? It's because we have to convert more than a hundred groups. It will take hours of work if we are going to do it with Active…
MSExchange ActiveSync 1023 warning
You are getting the Event ID 1023 MSExchange ActiveSync warning in the Event Viewer on the Exchange Server. The Event ID 1023 warning shows: Exchange ActiveSync tried to access a mailbox on Mailbox server. It could not access the mailbox…