- Microsoft Defender bug incorrectly labels SQL Server versions as unsupported software
- Fix deployment to reverse code change behind inaccurate end-of-life marking
- Recent Defender Issues Highlight Persistent Reliability Issues in Enterprise Security Tools
Microsoft is working to resolve an issue in its Defender for Endpoint enterprise security platform that incorrectly flagged supported versions of SQL Server as reaching end-of-life.
The problem, revealed in a service alert spotted by Computer beepingAffects Defender XDR users running SQL Server 2017 and 2019.
The system incorrectly marked both versions as unsupported, even though SQL Server 2017 will not reach end of life until October 2027 and SQL Server 2019 before January 2030.
Correct incoming messages
Microsoft attributed the error to “a code issue introduced by a recent end-of-support software change.”
In its alert, the tech giant explained: “Users with SQL Server 2019 and 2017 installed may see inaccurate marking in Threat and Vulnerability Management. Users may experience inaccurate end-of-life marking for SQL Server in Microsoft Defender for Endpoint Management.”
Microsoft said it was rolling out a fix to undo the unfortunate code change.
“We are continuing to deploy a patch designed to revert the offending change that introduced the code issue and will provide a timeline for its completion as soon as it becomes available,” the company added.
As Computer beeping Reporting, this SQL Server tagging error follows a number of other Defender-related issues in recent weeks. One caused the platform to incorrectly report BIOS firmware on some Dell devices as outdated, while another bug led to black screen crashes on macOS systems.
Microsoft also recently fixed a false positive that caused its anti-spam service to quarantine messages and block links for Exchange Online and Teams users.
This latest incident is labeled as an advisory, which generally suggests only limited disruption.
Microsoft acknowledged that the issue could affect “all users who have SQL Server 2017 and 2019 installed,” but did not specify how many systems are likely to have been affected.
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