Microsoft Exchange and Active Directory Blog
Über den Fehler StalledDueToSource_DiskLatency bei Exchange Migrationen habe ich schon einmal berichtet. Damals konnte ich den Fehler beheben, indem ich ein Spanned Volume über mehrere Disks aufgelöst habe. Bei einer weiteres Exchange Server 2016 zu Exchange 2019 Migration ist nun das Problem wieder aufgetreten. Auch hier trat der Fehler StalledDueToSource_DiskLatency nur bei den Moverequests der … 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
In the second part of the migration from Exchange 2016 to Exchange 2019 CU15, Exchange 2019 was configured. This part now deals with the migration of the mailboxes to the new server. Finally, the old Exchange 2016 server can be uninstalled and the migration completed. Migrating the mailboxes The mailboxes can be migrated via the Exchange Admin Center ... Read more
The current CU15 for Exchange Server 2019, like the CU14, has been released for Windows Server 2025. The CU15 supports the inplace upgrade to Exchange Server SE RTM. However, the Inplace Upgrade only supports the upgrade of the Exchange installation. The operating system cannot be upgraded via Inplace Upgrade. So if you want to upgrade from October 2025 ... Read more
The new Exchange Server version is expected this year. It makes sense to start working on the migration of existing Exchange 2016 servers to Exchange SE now, as the time window for the migration is short. However, this is not a problem if you prepare in good time. This article is about the migration of ... Read more
Microsoft has now also released Exchange Server 2019 CU14 for Windows Server 2025. Originally, CU15 was to be released for Windows Server 2025 first, but this step has now been brought forward. The release of CU14 for Windows Server 2025 serves as preparation for the upgrade to Exchange Server SE. This means that existing Exchange Servers can now be upgraded to ... Read more
The latest Cummulative Update for Exchange Server 2019 has been postponed again Originally, CU 15 for Exchange 2019 was supposed to be released in December 2024, but the release was postponed to January 2025. On the last day of January, a message appeared on the Exchange Team Blog stating that CU 15 had been postponed again. The CU15 will be the ... Read more
Since the Exchange Server April 2024 Hotfix Update, Exchange Server 2019 also supports ECC (Elliptic Curve Cryptography) certificates. However, there are a few things to bear in mind when using ECC certificates. In the following article, we take a look at what you need to consider. What are ECC certificates ECC certificates (Elliptic Curve Cryptography) are certificates that are based on ... Read more
It can happen that Exchange 2019 servers log the EventID 1006 (source: MSExchange Mailbox Replication). The text of the warning is as follows: The warning occurs approximately every 2 minutes. The warning occurs when a database has been deleted and is fortunately very easy to resolve. These are not problems with ... Read more
Today, mainstream support for Exchange Server 2019 has expired, so both Exchange Server versions that are still supported are now in extended support, which ends on October 14, 2025. While Exchange 2016 will only receive security updates, Exchange 2019 will receive two more CUs. The CU14 for Exchange 2019 will be released soon and CU15 will also be ... Read more
