MC1473393: Power Pages Deploys Early Upgrade to Version 9.8.9.15 with Performance and Security Fixes

MWPRO IMPACT SCORE
OPERATIONAL IMPACT
31
0 25 50 75 100
MODERATE IMPACT • ASSESS BUSINESS IMPACT
Recommended Action:
Take a look and decide whether this affects your tenant, users or support teams.
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Primary Audience

Power Platform AdminsIT ManagersService Owners
Why this score?
AI Confidence
HIGH
Enough detail is available to trust this assessment.
Assessment Reasoning
This is an early upgrade release for Power Pages that will be applied automatically. Admins should be aware of the scheduled maintenance window and brief read-only mode in the admin centre, plus a restart of Power Pages websites. No manual steps are required, but communication and monitoring may be advisable to manage any short-term service disruption.
30
🛡️ Admin Impact
25
👥 User Impact
40
Urgency
20
🔧 Effort
ℹ️ WHAT YOU NEED TO KNOW
📌

AT A GLANCE

Early upgrade to Power Pages 9.8.9.15 is scheduled. Includes fixes plus performance and security updates for early upgrade sites.
👥

END USERS

Users may experience a short restart and brief read-only period during the maintenance window.
🛡️

IT ADMINS

No action needed, but note early upgrade timing and possible temporary website impact.
📅

ROLLOUT TIMELINE

Upcoming:
19-20 Sept 2026

📢 Official Microsoft Message Center Announcement


Power Pages – Power Pages version 9.8.9.15 Early Upgrade Release
Message ID: MC1473393
Maintenance window start: September 19, 2026, at 6:00 PM UTC
Maintenance window end: September 20, 2026, at 3:00 AM UTC

This is the early upgrade deployment of Power Pages version 9.8.9.15 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 Power Pages website(s) marked for early upgrade. 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.

Source: Microsoft Message Center • Analysed by MWPro

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