Exchange Server and exclusions for virus scanners

Microsoft has updated the recommendations for exclusions for virus scanners on Exchange Server: Specifically, contrary to the original recommendation, these directories and processes should no longer be excluded from the virus scanner: Existing exclusions for virus scanners should therefore be adjusted. The script from Paul Cunningham, which creates a list of all exclusions, is suitable for new Exchange installations: Unfortunately, ... Read more

Exchange 2016/2019: AMSI integration causes problems with Outlook

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

Exchange 2016: TransportRoles\data\Temp\UnifiedContent directory clutters up the hard disk

An interesting problem was pointed out to me today. A reader reported the directory "TransportRoles\data\Temp\UnifiedContent" within the Exchange installation directory, which contains a lot of data and keeps filling up the hard disk. I then had a look at my private installation and was also able to find some very old data in the directory in question. Here is a screenshot ... Read more

Exchange 2016: Virus scanner exclusions (script for Windows Defender)

Windows Defender is activated by default on Windows Server 2016. As Exchange Server requires some exclusions from the virus scanner, these must also be stored accordingly in Windows Defender. The same applies to virus scanners from other manufacturers. The following note can be found on the Exchange Team Blog: Windows Defender is on by default in Windows Server 2016. Attention to ... Read more

Warning: Trend Micro Worry Free 9 and Exchange 2016

A kind reader asked me if I knew of a way to reset or reinstall the MAPIoverHTTP protocol for Exchange 2016. Although there are ways to reset MAIPoverHTTP, it is questionable whether this would have helped in this case. So here is a little story about the compatibility of Trend Micro Worry Free(!?) 9 and Exchange 2016. ... Read more