Microsoft SQL Server 2016 reached the end of extended support on July 14, 2026. Microsoft no longer provides regular security updates or technical support for the product. Databases keep running, but newly found vulnerabilities will not be patched for organizations without Extended Security Updates. Because SQL Server often sits behind line-of-business systems, from accounting add-ons to custom web applications, the deadline can affect systems that business owners do not think of as database projects.
What Microsoft announced
In a SQL Server blog post published on July 14, 2026, Microsoft set out three paths:
| Option | What it involves |
|---|---|
| Upgrade to SQL Server 2025 | Stay on-premises or hybrid on the latest version, which Microsoft says adds features such as native vector search |
| Migrate to Azure SQL | Move to Azure SQL Database, Azure SQL Managed Instance or SQL Server on Azure Virtual Machines |
| Extended Security Updates | A temporary bridge for security fixes, available in Azure and on-premises through Azure Arc |
Microsoft says applications can be migrated to Azure SQL with minimal changes in most scenarios, and lists SQL Server Management Studio, Azure Database Migration Service, Visual Studio Code and GitHub Copilot among the tools for the move. It warns that continuing to run SQL Server 2016 without a plan can increase security and compliance risk, especially for business-critical applications.
UK IT services firm Northdoor adds that Extended Security Updates provide up to three additional years of security patches, are purchased annually at extra cost, and should be treated as a short-term measure. It notes that unsupported versions can lead to compliance audit findings, and estimates that migrations range from two to three months for simple environments to six to twelve months for complex ones.
Why it matters for companies hiring IT firms
Questions to ask before choosing a path:
- Which applications connect to each SQL Server 2016 instance, and who owns them?
- Does each application vendor support SQL Server 2025 or Azure SQL?
- How long will the application stay in use? If it is due for replacement soon, a short Extended Security Updates bridge may be enough.
Unsupported database software can become a security and compliance problem, especially where the database holds customer, financial or health data. The choice between upgrading, moving to Azure SQL or buying Extended Security Updates depends on application compatibility, licensing, hosting and how long the application itself will be kept. It is worth getting an assessment before committing. A partner with SQL development and Azure experience can test applications against newer versions and estimate the effort and cost of each path.
Why it matters for IT firms
Database end-of-support dates often reveal older applications that nobody has changed for years. For .NET and data teams, this is a chance to modernize connection code, reporting, backups and monitoring at the same time as the database upgrade. Firms should also check whether clients run SQL Server 2016 inside third-party products, where the software vendor controls the upgrade path and may need to certify a newer version first.
What to do next
- Inventory all SQL Server 2016 instances, including those inside vendor applications.
- Decide per instance whether to upgrade, migrate to Azure SQL or buy Extended Security Updates while you plan.
- Test application compatibility on the target version before migrating production data.
- Update backup, monitoring and disaster recovery plans for the new environment.
Trusted IT Firms lists 57 companies offering SQL development and 36 with Azure platform experience. Compare them in the directory.
Frequently asked questions
When did SQL Server 2016 support end?
SQL Server 2016 reached the end of extended support on July 14, 2026.
Will my SQL Server 2016 database stop working?
No. It keeps running, but Microsoft no longer provides regular security updates or technical support unless you buy Extended Security Updates.
How long are Extended Security Updates available for SQL Server 2016?
According to Northdoor, Extended Security Updates provide up to three additional years of security patches and are purchased annually at extra cost.
What should I upgrade SQL Server 2016 to?
Microsoft points to SQL Server 2025 for on-premises or hybrid use, or Azure SQL Database, Azure SQL Managed Instance or SQL Server on Azure Virtual Machines.
Sources
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