- Microsoft Defender bug mistakenly labels SQL Server versions as unsupported software
- Fixed implementation to revert code change behind inaccurate end-of-life labeling.
- Recent Defender issues highlight ongoing reliability challenges in enterprise security tools
Microsoft is working to fix 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, which was revealed in a service alert detected by ringing computerAffects Defender XDR users running SQL Server 2017 and 2019.
The system incorrectly labeled both versions as unsupported, even though SQL Server 2017 will not reach end of life until October 2027 and SQL Server 2019 until January 2030.
Fix starters
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 labeling within Threat and Vulnerability Management. Users may experience inaccurate end-of-life labeling for SQL Server within Microsoft Defender for Endpoint Management.”
Microsoft said it is in the process of rolling out a fix designed to reverse the unfortunate code change.
“We continue to implement a fix designed to reverse the offending change that introduced the code issue and will provide a timeline for its completion as it becomes available,” the company added.
As ringing computer This SQL Server tagging error reportedly follows a series of other Defender-related issues in recent weeks. One of them caused the platform to mistakenly mark the BIOS firmware on some Dell devices as obsolete, while another bug caused black screen crashes on macOS systems.
Microsoft also recently resolved 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 typically suggests only a limited outage.
Microsoft acknowledged that the issue could affect “all users who have SQL Server 2017 and 2019 installed,” but has not said how many systems are likely affected.
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