Microsoft Dynamics SL 2018 end of support
Is Microsoft Dynamics SL 2018 still supported?
Security updates only Extended support
Mainstream support for Microsoft Dynamics SL 2018 ended on January 9, 2024. It is in extended support, which normally means security fixes only, until July 11, 2028.
Key dates Vendor-confirmed
| Release date | May 1, 2018 |
|---|---|
| Mainstream support ends | January 9, 2024 |
| Extended support ends | July 11, 2028 |
Notes: Fixed Lifecycle Policy. Start, mainstream end and extended end dates from Microsoft's lifecycle page for this version (start date shown as the release date). Microsoft's lifecycle page notes that the mainstream end was extended from July 11, 2023 to January 9, 2024; Microsoft's June 2025 Dynamics 365 blog post still gives July 11, 2023 for the end of mainstream support. Product-wide, Service Plan coverage ends January 15, 2030 (same blog post).
Source quality: Every date shown is confirmed in the vendor's own content; anything shown as Unknown is not yet confirmed anywhere.
What the end of support means
- Mainstream support usually includes bug fixes, security updates and (for ERP) regulatory and tax updates. When it ends, non-security fixes and new features stop.
- Extended support usually means security updates only. Exact terms differ by vendor and may require a support contract.
- After the final end date the software keeps running, but the vendor no longer ships fixes or security patches. Known vulnerabilities stay open, and compliance or cyber-insurance requirements may treat it as unsupported software.
Upgrade paths
Move to Dynamics 365 Business Central (on-premises)
This is the successor recorded for this version (see notes and sources).
Re-platform to a different ERP
An end of support is a natural point to compare other systems, including cloud ERP. Re-platforming is usually a bigger project than a version upgrade, so compare total cost over several years, not just the first year.
Stay put for now (with risks)
The software keeps running after support ends, but without vendor fixes, tax/regulatory updates or security patches. Third-party support, where available, is not vendor support and cannot provide vendor patches.
Related guides
- Dynamics GP end of life: dates and optionsMicrosoft ends Dynamics GP support on December 31, 2029, with security updates to April 30, 2031. What that means and the migration options Microsoft points to.
- Dynamics NAV to Business Central: migration optionsWhich Dynamics NAV versions can upgrade directly to Business Central, what changes on the way (C/AL to AL, Windows client), and the online vs on-premises choice.
Sources
- learn.microsoft.com/en-us/lifecycle/products/dynamics-sl-2018
- microsoft.com/en-us/dynamics-365/blog/business-leader/2025/06/05/explore-migration-options-for-microsoft-dynamics-gp-and-microsoft-dynamics-sl-customers/
Vendor lifecycle page for the product: https://learn.microsoft.com/en-us/lifecycle/products/dynamics-sl-2018
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