Microsoft Issues Exchange Server Date-check Bug Fix

Exchange Server

Microsoft has issued an emergency patch to fix Exchange Server date-check bug. The fix will resolve date-check failure that caused messages to get struck in Exchange Server 2016 and Exchange Server 2019 transport queues.

The Microsoft blog post discloses the fact that the problem was caused by a date-check failure and is not a major security issue. The real fact is that the version checking performed against the signature file caused the malware engine to crash, which caused messages to become stuck.

Microsoft has provided automated and manual solutions to run scripts. The total time required to run the script depend on the size of the organization. Microsoft revealed that they are working on a new on-premises version of Exchange that would require a mandatory subscription. The will enable users to get security and other updates to the product. Microsoft is reportedly finalizing plans for other on-premises server products that is expected to release in 2022.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at