Skip to content

Category: Exchange Server

How to Unblock a User if they were blocked from sending emails in Microsoft 365

How to Unblock a User if they were blocked from sending emails Microsoft 365 Users in your organization might get blocked from sending emails in Microsoft 365 if they exceed one of the outbound sending limits or inbound spam policies. If a user is added to the restricted user list, they will receive the following…

1 Comment

Exchange TIP: How to Migrate Mailbox from Exchange Online to Exchange OnPrem

Exchange TIP: How to Migrate Mailbox from Exchange Online to Exchange OnPrem In this quick post, I will go through a quick PowerShell I use to migrate a mailbox from Exchange Online back to Exchange Onprem. Let’s first start by connecting to Exchange Online PowerShell. Once connected run the following: Before we can run the…

Leave a Comment

Exchange Server Tip : (Quickly Starts All Services)

Exchange Server Tip : (Quickly Starts All Services) As an Exchange Administrator we all too aware of the starting of services once a server has been restarted. To assist you can use PowerShell and start all services by running the following:

To verify that all services has been started, run the following.

Quick…

Leave a Comment

Callout External Senders in Outlook

What is External Sender Callouts? External Callouts is what some organisations use to inform their staff that an email is coming from outside of their environment. IT Admins has created transport rule like this one http://www.thatlazyadmin.com/how-to-prepend-office-365-email-subject-when-email-is-received-from-external-sender/ The transport rule approach has some limitations which has been listed by Microsoft based on feedback from customers. You…

1 Comment

Exchange 2019 Installation Fails on 89% During Readiness Checks.

During a recent Exchange 2019 deployment I come across an issue where Exchange 2019 setup kept failing on Windows Server 2019 during the readiness checks. The Readiness checks fails on the Web Management Solution Service that fails to start. The post will walk you through some steps on how to resolve this issue. The error…

1 Comment

Stellar Repair for Exchange – Best Tool to restore the mailboxes with minimal downtime

Stellar Repair for Exchange – Best Tool to restore the mailboxes with minimal downtime When an Exchange Server disaster strikes you need an application or a rescue tool that will make your and the user’s life easy and get back to your normal duties with minimal impact to your business. There are many tools on…

1 Comment

DataString.InvalidSmtpDomainName(Domain) when running the Office 365 hybrid Configuration Wizard.

DataString.InvalidSmtpDomainName(Domain) when running the Office 365 hybrid Configuration Wizard. In this post, I will show case how you can remove the following error when you tried to install the Office 365 Hybrid Configuration Wizard. This error typically indicates that you have an Exchange server in your environment that is Offline or has not been decommissioned…

Leave a Comment

How to create a migration endpoint Exchange Online

How to create a migration endpoint Exchange Online In post we, will go through the steps to create a new migration endpoint for Exchange Online. To get started, connect to Office 365 Admin Portal then navigate to Exchange Online Admin Portal. From the Exchange admin centre, click on “Recipients”. From the “Recipients” menu select “migration”…

Leave a Comment

Connect to Exchange servers using remote PowerShell

Connect to Exchange servers using remote PowerShell If you do not have local access to your Exchange server, you can use Exchange remote PowerShell to connect to your Exchange Servers. To get started open PowerShell on your local computer. Type the following $UserCredential = Get-Credential The create the new PSSession (Change the FQDN to that…

2 Comments