Microsoft confirms bug with
Exchange 2022 FIP-FS scan engine
Many Microsoft Exchange users were faced with a worrisome issue on 1st January (00:00 UTC) when their mail was suddenly unable to send. Since the start of the New Year, messages would be stuck in transport queues of on-premises Exchange Server 2016 and Exchange Server 2019. This error specifically affected events 5300 and 1106 (FIPFS) and would show an error message ending in one of the notes below:
“Description: The FIP-FS “Microsoft” Scan Engine failed to load. PID: 23092, Error Code: 0x80004005. Error Description: Can’t convert “2201010001” to long.”
“Description: The FIP-FS Scan Process failed initialization. Error: 0x80004005. Error Details: Unspecified error.”
Microsoft have confirmed that this problem is due to a date error in the signature file used by the malware scanning engine within the Exchange Server. To rectify this ongoing issue, Microsoft have announced a solution which requires customer action to complete the necessary fix.
Click here for official step-by-step instructions on how to fix this issue, or contact our IT team if you need a little more assistance.
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