Is Exchange Fully Updated? If Not, Go Update Now
The Exchange team just posted that the September 2021 updates are going to be slightly delayed. The priority will always be to ship quality updates rather than force it out …
Exchange 2016
Exchange 2016 CU21 Released
Exchange 2016 CU21 has been released to the Microsoft download centre! Exchange 2016 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup …
Does Exchange Setup Automatically Run PrepareSchema?
The question “Does Exchange setup automatically run /PrepareSchema?” was something that came up many times in the recent Hafnium remediation activities. This was due to many customers not updating Exchange …
TenantOrganizationConfig Required When Preparing Active Directory
When running /PrepareSchema in an Exchange organisation with an existing Exchange Hybrid deployment you may run into an error which states:
“A hybrid deployment with Office 365 has been detected. …
Unable to Run Exchange Setup–Pending Reboot From a Previous Installation
When installing Exchange updates, I place the server into maintenance mode and restart it prior to installing the actual Exchange update. This is due to have being burned many times …
Exchange Managed Availability State Unknown
The below is one of the cases where the “Zen of Exchange Management” is what fixes the issue. I’ve been know to say that sometimes you just need to wait …
Should I Overwrite The Default Exchange SMTP Certificate?
When adding a TLS certificate on an Exchange server, the inevitable prompt will appear to enquire if you wish to overwrite the default SMTP certificate binding. While the UI in …
Exchange & TCP/IP Port Range
The below is an interesting result after installing Exchange. The act of installing Exchange will change how TCP/IP operates on the server with respect to ephemeral connections.
This may manifest …
Exchange Setup Fails – Error 3221685616
The saying goes that nothing monitors AD better than Exchange. While the symptom is an Exchange issue, the underlying root cause is typically something else. Though as an added “feature” …
QuickTip – Query Block Mode
Exchange 2010 SP1 introduced the concept of block mode or granular replication. This minimised the time taken for transactions on the active node to be replicated to passive nodes. Since …