Microsoft Exchange and Active Directory Blog
Kurz vor Weihnachten gibt es noch einmal Sicherheitsupdates für alle Exchange Server Versionen inkl. Exchange 2016 und Exchange 2019. Eigentlich ist nur noch Exchange Server SE im Support und erhält Updates, aber es gibt eine Ausnahme. Kunden mit aktiven ESU für Exchange Server erhalten aktuell noch Sicherheitsupdates. Ich verlinke hier daher nur noch Exchange Server … Read more
Microsoft is asking customers for feedback on the integration of Copilot artificial intelligence in Exchange Server on-prem. Apparently Microsoft is toying with the idea of integrating Copilot into Exchange Server and is therefore asking customers for their interest. According to the feedback form, it is not necessarily about access to mails and calendars, but also ... Read more
Microsoft has released new updates for all supported Exchange Server versions. The September updates do not include security updates, but contain updates for hybrid scenarios. Here you can download the updates directly: Microsoft writes about the updates: The October 2025 SUs fix security vulnerabilities that have been responsibly reported to Microsoft by security partners and identified by Microsoft's internal processes. Read more
Microsoft has released new updates for all supported Exchange Server versions. The September updates do not include security updates, but contain updates for hybrid scenarios. Click here to download the updates directly: The September update is an optional update, so the update is not mandatory, but fixes problems in hybrid operation ... Read more
Microsoft released new security updates for Exchange Server 2016, 2019 and SE in August. The updates have been available since 12.08., but as I was on vacation, the message appears here late. Click here to download the updates directly: The updates fix the following vulnerabilities, all of which are rated „Important“. Read more
The inplace upgrade from Exchange Server 2019 CU15 to Exchange Server SE is just as easy as installing a CU for Exchange Server. The Inplace Upgrade to Exchange Server SE RTM only changes the license and the name, new features or other changes only come with the CU1 for Exchange Server SE. The Inplace ... Read more
Microsoft has released the new Exchange Server SE version. There are no functional changes in the new version compared to Exchange Server 2019 CU15: The following points change compared to Exchange Server 2019 CU15: Since Exchange SE initially only switches the license to the subscription model, an Exchange Server 2019 can be installed directly via ... Read more
I have already reported on the StalledDueToSource_DiskLatency error during Exchange migrations. At that time, I was able to resolve the error by resolving a spanned volume across several disks. During another Exchange Server 2016 to Exchange 2019 migration, the problem occurred again. Here, too, the StalledDueToSource_DiskLatency error only occurred with the move requests of the ... Read more
When migrating or operating multiple Exchange Servers in an organization, problems can occur when sending and receiving emails between the Exchange Servers. One reader had a case where users from one Exchange server could no longer email users on the other Exchange server. The emails remained in the queue ... Read more
With Exchange Server 2019 CU15, a new function called "Feature Flighting" was introduced. In future, Feature Flighting will enable the administrators of an Exchange organization to control which new Exchange features are activated in the company and when. Microsoft hopes that Feature Flighting will provide an easier way to make new functions available in the company than having to ... Read more