Summary
- Power Pages version 9.8.9.17 will be deployed to non-production Power Pages websites only (trial, developer, and sandbox environments).
- The update includes an updated website host, no solution update, and Microsoft states it contains customer-reported fixes plus performance and security updates.
- During the maintenance window, the Portal Management page in the Power Platform admin center will be temporarily read-only.
- Power Pages websites in scope will restart once during the upgrade.
- No admin action is required because the upgrade is applied automatically.
Primary Service: Power Platform
Admin Impact: Low
User Impact: Low
Release Start: 30 Sept 2026
Release End: 01 Oct 2026
Services: Power Platform
Category: Stay informed
History
9/29/2026 Item Added to Message Center
Microsoft Message
Maintenance window start: September 30, 2026, at 6:00 PM UTC
Maintenance window end: October 1, 2026, at 3:00 AM UTC
This is the pre-production deployment of Power Pages version 9.8.9.17 for Microsoft Dynamics 365. This deployment includes an updated website host and no solution update. This release contains fixes for issues reported by customers as well as performance and security updates. Release notes for this release can be viewed here.
How does this affect me?
This release will be applied to your non-production (trial, developer, and sandbox) Power Pages website(s). During the update, the Portal Management page in the Power Platform admin center will be placed in a read-only state for a short period of time. Additionally, your Power Pages website(s) will be restarted once during this upgrade.
What action do I need to take?
Upgrade of the website(s) to the newest version will be applied automatically. No action is required.
Learn more about the Power Pages upgrade process.