Microsoft releases emergency fix for Exchange year 2022 bug

Microsoft has released an emergency fix 2022 bug that is breaking email delivery on on-premise Microsoft Exchange servers Worldwide.

2022 rolled in and the clock struck midnight, Exchange admins worldwide discovered that their servers were no longer delivering email.

After investigating, they found that mail was getting stuck in the queue, and the Windows event log showed one of the following errors.

Log Name: Application 
Source: FIPFS 
Logged: 1/1/2022 1:03:42 AM 
Event ID: 5300 
Level: Error 
Computer: server1.contoso.com
Description: The FIP-FS "Microsoft" Scan Engine failed to load. PID: 23092, Error Code: 0x80004005. Error Description: Can't convert "2201010001" to long.

Microsoft has released a temporary fix requiring customer action while working on an update that automatically fixes the issue.

To use the automated script to apply the fix, you can follow these steps on each on-premise Microsoft Exchange server in your organization:

  1. Download the Reset-ScanEngineVersion.ps1 script from https://aka.ms/ResetScanEngineVersion.
  2. Open an elevated Exchange Management Shell.
  3. Change the execution policy for PowerShell scripts by running Set-ExecutionPolicy -ExecutionPolicy RemoteSigned.
  4. Run the script.
  5. If you had previously disabled the scanning engine, enable it again using the Enable-AntimalwareScanning.ps1 script.

Microsoft warns that this process may take some time, depending on the organisation’s size.

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Jack’s Tech Talks passionate about technology, YouTuber, Geek, Tech Head, Internet Personality!

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