Microsoft Exchange and Active Directory Blog
In a previous article, I described where the AMSI log files of the Exchange server can be found. As the logs are stored locally on the Exchange server, the logs are of little use if nobody reads them and attacks are only detected when it is too late. However, the logs can also be easily ... Read more
With the July 2021 CUs for Exchange Server, Microsoft has introduced AMSI integration as a new feature for Exchange 2016 and 2019. Here is some information about the new feature. What is AMSI? The Windows AntiMalware Scan Interface (AMSI) is an interface with which services and applications can be integrated into anti-malware solutions. ... Read more
The new AMSI integration introduced with CU21 for Exchange 2016 and CU10 for Exchange 2019 in conjunction with various anti-virus scanners causes some serious problems. The Outlook connection sometimes becomes so slow that it is no longer possible to work. Even starting Outlook can take several minutes. Outlook repeatedly fails to respond, ... Read more
