Most Popular Blog Posts For 2020
Well, good bye to 2020. That was some year to put it mildly…
Again, we see that on-premises content has been reduced and the overall focus is Office 365 …
Exchange 2019 CU8 Released
Exchange 2019 CU8 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 …
Exchange 2016 CU19 Released
Exchange 2016 CU19 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 …
Exchange 2010 SP3 RU31 Released
Today is patch Tuesday for December 2020 and contains a security advisory bulletin for Exchange 2010. Due to the way that Exchange 2010 is serviced, security updates are released as …
Exchange December 2020 Security Updates
Please be aware that Exchange 2013, Exchagne 2016 and Exchange 2019 security updates were released as part of the December 2020 patch Tuesday release. The overall rating is critical, and …
Exchange 2013 OnPremisesSmtpClientSubmission – Unhealthy After Disabling TLS 1.0 and TLS 1.1
After going through the steps to disable TLS 1.0 and TLS 1.1, it was noted that Managed Availability was not happy with one particular component in Exchange 2013. This was …
Exchange Managed Availability Broken With TLS 1.2 Changes
In most enterprise customers there is a segregation of duties between multiple teams. This could be networking and desktop. Or Windows Server platform and messaging. It was the split in …
Exchange Managed Availability Error – OutlookRpcSelfTestProbe
This case illustrates the "fun" with Managed Availability a particular customer had after making changes to their servers. The servers were built back in 2014, and as such the default …
A Tale of Two Certificates–SHA1 Certificate Created During Exchange 2016 Installation
The security space is constantly evolving, and while a lot of the recent work has been on moving to TLS 1.2, a previous focus in the industry was to stop …
Exchange Setup – Certificate Is Expired – Part Deux
Previously I managed to break one of my labs when replicating a customer situation and then had to fix it as noted in this post from 2017.
This time …