As the process begins in removing Exchange 2010 from an environment, you might run into an issue where the server has Offline Address Books on it even though everything else has been moved off. The error you see below is quickly resolved by moving the Offline Address Books to another server: Now launch the Exchange […]
Weak passwords is a common mistake with many email users or even admins that manage domains. I recently had the opportunity to demo the zerologon exploit and how it breaks your domain controllers in your environment. This means that Exchange will be broken as well. I am referring to CVE-2020-1472 and you need to have […]
Ignite has started with a bang and with it new information about the next version of Exchange and how coexistence will work. Head over to the tech community below and watch the video on demand. Exciting new changes coming to Microsoft 365 as well and Hybrid and so much more… Get it all below on […]
As many of you know, Exchange is very sensitive when it comes to domain controllers and Active Directory Sites and Services. The above set of errors/warnings were happening on 1 server and the error does throw you off a bit, where it says that the Audit Security Privilege on the domain controller……error below: You think […]
For all those wondering what an Exchange 2019 Setup looks like on Windows Server 2019 Core, here is a snippet of what I did in my lab: If you look at the setup line, you will notice that there is a switch /InstallWindowsComponents and that is exactly what it is. Instead of copying that very […]
As many of you know, DAG seeding can fail for a few reasons, namely: Networking issues Resource issues (CPU/RAM) Disk space issues Anti-virus (exclusions missing) And many more….. Today we had a strange one though, some databases seeded fine but the rest were failing with this error: Here are some of the troubleshooting steps to […]
Received a weird error this morning when trying to delete email, however it started with outlook with an error “Verifying Integrity of data” and it sat there for about 5 minutes before Outlook 2019 launched. (sorry missed the screenshot) All seemed fine until I tried to delete an email from any folder, what is strange […]
Since CU13 for Exchange 2016 there has been no need to run the PrepareAD command. Running upgrades are pretty simple, provided you have an account that has the correct permissions. This is a common problem where upgrades don’t want to run because of permissions. The command to run is as follows: .\Setup.exe /Mode:Upgrade /IAcceptExchangeServerLicenseTerms Press […]
There are a number of errors that can appear when you doing mailbox moves. The normal ones is when they stall because the catalog cannot keep up or you hit a threshold but in this case, moving from one server to another one just fails. To find the error, you need to use the following […]
I created a few more videos on YouTube for Exchange 2016, here they are: