Items specifically related to Exchange 2016
Exchange 2016 CU23 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 Updates (RU/UR) which were used previously. CUs are a complete installation of Exchange 2016 and can be used to install a fresh server or to update a previously installed one. Exchange 2013 h… Read the rest “Exchange 2016 CU23 Released”
Planning to deploy Office 365 and integrate with your on-premises Exchange infrastructure? Great! While running the Exchange Hybrid Configuration Wizard (HCW) will be one of the highlights it should be a boring and uneventful portion of the project. That will be true if all of the required planning, remediation and preparation was done. If not you’ll be finding out about those issues pretty so… Read the rest “Microsoft Teams Source IP Address Used Connecting to On-Premises Exchange”
Imagine that you have two certificates installed, but for whatever reason the same friendly name was used for both of them. You can certainly identity each of them by comparing the valid from/valid to dates or the thumbprint. That adds just a little extra overhead that you may not want to deal with.
As an alternative, you can modify the friendly name to a more suitable value. This allows you to… Read the rest “Change Certificate Friendly Name To Unique Value”
The issue of "Why is the Exchange Security Update not installed?" has popped up frequently over the last few months due to the number of security releases for on-premises Exchange.
Due to Hafnium, security teams have increased the monitoring of Exchange to make sure that it is fully patched. In some of these cases, the Exchange and server admins think that they are all good as they run Windows Upd… Read the rest “Why Is The Exchange Security Update Not Installed?”
Your Exchange certificate is about to expire, so you initiate a standard process to renew it. It's only a 5 minute job as that's how long it took last time, right?
Well, no. All is fine until you try to renew the existing certificate. The easiest way to initiate the renewal is by using the Renew option in the Exchange Admin Center.
The current certificate is the one selected in the below screensho… Read the rest “Unable To Renew Exchange Certificate – Friendly Name Is Too Long”
With the release of this month's Exchange updates, there are changes to not only the installation prerequisites but also the installation parameters.
These changes break down into two main areas. What you must ensure is installed prior to installing this or a subsequent CU, and secondly that the command line options have been updated along with the corresponding GUI.
To summarise:
Exchange 2016 CU22 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 Updates (RU/UR) which were used previously. CUs are a complete installation of Exchange 2016 and can be used to install a fresh server or to update a previously installed one. Exchange 2013 h… Read the rest “Exchange 2016 CU22 Released”
This is a topic that still comes up when doing email investigations. After there has been an issue, we want to perform analysis to determine what may have happened any potentially why certain security controls did not act the way we expected.
With email one example would be around the audit information collected when an Exchange Online transport rule acts upon a message.
It is common to see that ad… Read the rest “Exchange Online Transport Rule Audit”
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 to meet a specific day.
You can look at the announcement, and Nino's additional comments here:
Delay of September 2021 Cumulative Update for Exchange Server - Microsoft Tech Community
This means that we have a little bit more tim… Read the rest “Is Exchange Fully Updated? If Not, Go Update Now”
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 Updates (RU/UR) which were used previously. CUs are a complete installation of Exchange 2016 and can be used to install a fresh server or to update a previously installed one. Exchange 2013 h… Read the rest “Exchange 2016 CU21 Released”