Exchange buildnumbers and versions

I have created a list with all Exchange buildnumbers and version numbers. The list starts from Exchange 2010 because everything before 2010 is end of life. In the future i will mark RU and CU which contain a schema differently. Exchange buildnumbers Server 2019 Bellow you find a table with all the buildnumbers regarding Exchange … Continue reading Exchange buildnumbers and versions

Running Hybrid Configuration Wizard (HCW) for the first time

Hybrid Configuration Wizard (HCW) Every time when i have to implement a Hybrid Scenario or HCW at a customer i caught myself of using a different blog as a safety guidance. I do this so i do not make a mistake or forget something during the configuration of  the Hybrid Configuration Wizard. Here are some … Continue reading Running Hybrid Configuration Wizard (HCW) for the first time

Mailbox migration hangs on TotalStalledDueToWriteThrottle

TotalStalledDueToWriteThrottle Mailbox migration can take a long time to finish. Most of the time this can be a pain when there is a lot of pressure on the migration project. To get more insights in these issue you can execute the command bellow to get an overview of what is going on with your mailbox … Continue reading Mailbox migration hangs on TotalStalledDueToWriteThrottle

What to do with public folders when moving to Exchange Online

Moving to Exchange online Sometimes a migration to office 365 can be difficult when it comes to Public folders. When the plan is to migrate from for instance Exchange 2010 to office 365 Exchange Online a discussion must be made. What to do with the public folders? In my opinion there are 3 scenario's that … Continue reading What to do with public folders when moving to Exchange Online

Cheat sheet with all Ports and rules needed for a Exchange Hybrid Infrastructure

Exchange Hybrid Ports Cheat Sheet When working with Exchange I sometimes come to clients who already have a hybrid exchange configured environment. In many cases this is when the hybrid configuration does not work. To make things easier for myself, I created an overview that eliminates the pain of firewalls and networks. To help you … Continue reading Cheat sheet with all Ports and rules needed for a Exchange Hybrid Infrastructure

Migrate Exchange Hybrid Server to another other domain

Migrate Exchange Hybrid server If you just want to manage the users in Exchange Online and you want to keep Exchange Hybrid, it is recommended to keep one hybrid server connected to your Office 365. You have to make sure that you migrate the rest of the mailboxes  to Office 365. When all users are … Continue reading Migrate Exchange Hybrid Server to another other domain

Revoke Access from compromised office 365 account

Revoke access When you have aaccount in your organization that has been hacked or compromised you need to take immediate action to prevent a security dilemma inside of your organization. For instance when the credentials of a account are compromised. This account can be used for sending out bad emails with malware  and even worse … Continue reading Revoke Access from compromised office 365 account

How to Fix Duplicate Exchange Guid Errors in Office 365

When you are migrating users to office 365 you can get a lot off issues. One of these issues is when you have duplication errors in your tenant. Duplicate Exchange online Guid Errors can can generate a lot of issues. Think about duplicate accounts or Mailusers are not removable. When you see these issues you … Continue reading How to Fix Duplicate Exchange Guid Errors in Office 365

Office 365 Hybrid migration error: StalledDueToTarget_DiskLatency

The error that you get refers to : 'StalledDueToTarget_DiskLatency' To be straight to the point this is an issue where you can do nothing about. Link When you get the message StalledDuetoTarget_DiskLatency . This means that it has to do with the Exchange Online servers and not with the On-premises infrastructure, so there is nothing … Continue reading Office 365 Hybrid migration error: StalledDueToTarget_DiskLatency

Setting up Shared mailboxes in Exchange online with Powershell

Often when you migrate users to Office365 you need to configure permissions for Shared Mailboxes. Bellow you find a small instruction on how to do this. Connect to Exchange Online with Remote PowerShell Click Start Click Administrative Tools Right Click Windows PowerShell Modules and Run as administrator Set the Excution Policy on the local coputer … Continue reading Setting up Shared mailboxes in Exchange online with Powershell