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 …
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. …
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 …
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 …
Today is patch Tuesday for April 2021 and there are critical Exchange server security updates in the release. You can review all of the affected products on the MSRC blog…
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 …
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" …
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 …
Exchange 2019 CU9 has been released to the Microsoft Volume Licensing Center! Exchange 2019 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the …
The below are a series of links, tips and some very brief thoughts on Hafnium. I will purposefully not include the content of the other locations as it is changing …