Y2k22 bug is causing Microsoft Exchange Server to fail worldwide: FIP-FS Scan Engine failed to load – – MSPoweruser

Company admins are having their New Year’s celebrations interrupted by reports that their Exchange Servers are failing with the error “FIP-FS Scan Engine failed to load – Can’t Convert “2201010001” to long (2022/01/01 00:00 UTC)“.

The issue appears to be due to Microsoft using the first two numbers of the update version to denote the year of the update, which caused the “long” version of the date to overflow.

At present, it seems the main workaround is to disable the anti-malware scanner on the Exchange Server by using Set-MalwareFilteringServer -BypassFiltering $True -identity <server name> and restarting the Microsoft Exchange Transport service.

It appears Microsoft has not acknowledged the issue yet, but if you are affected some peer support is available at Reddit here.

Thanks, Ola for the tip.

One Comment on “Y2k22 bug is causing Microsoft Exchange Server to fail worldwide: FIP-FS Scan Engine failed to load – – MSPoweruser”

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