Microsoft Issues Fix for Exchange Y2K22 Bug That Crippled Email Delivery Service

Microsoft, over the weekend, rolled out a fix to address an issue that caused email messages to get stuck on its Exchange Server platforms due to what it blamed on a date validation error at around the turn of the year.

The Windows maker said the issue impacted on-premises versions of Exchange Server 2016 and Exchange Server 2019 but didn’t specify how widespread the impact was.

“The problem relates to a date check failure with the change of the new year and it [is] not a failure of the [antivirus] engine itself,” the company said in a blog post. “This is not an issue with malware scanning or the malware engine, and it is not a security-related issue. The version checking performed against the signature file is causing the malware engine to crash, resulting in messages being stuck in transport queues.”Read more:

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