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Each week, the CMS Hybrid Cloud program provides a list of upcoming changes, maintenance windows, and updates to help customers build awareness and plan effectively and summarizes changes from the previous week.
This newsletter includes:
Completed change summary for the week of 1/22/2026
- 1/24/2026 - Downscale Splunk Prod Indexers to 57
- 1/25/2026 - Restart Production, Non-Prod and GovCloud HEC Servers
- 1/28/2026 - Azure Update Manager Patching - PROD
- 1/28/2026 - Non-Marketplace PROD SSM Patching
- 1/28/2026 - Marketplace SSM Patching - IMPL
To learn details about previous changes please go to the News and Updates section on cloud.cms.gov. (Secure Access required)
For Patching and Gold Image release schedule please view: Patching and Gold Image Release Calendar - 2026
1/31/2026 - Enterprise Testing Services Maintenance
Summary:
In order to keep up to date with the latest versions and security advisories, the CMS Hybrid Cloud team will be performing maintenance updates on Enterprise Testing tools.
Actions we are taking:
- Upgrade Selenium Box to v5.2.0
- Implement PostgreSQL on AWS RDS as the primary database, replacing H2 to improve performance and scalability in line with V5.2.0 requirements
- Update Selenium Box Hub and Executors with the latest Amazon Linux 2023 Gold Image for CMS Cloud
When is this happening?
Start time: Saturday, 1/31/2026, at 9:00 a.m. ET
End time: Saturday, 1/31/2026, at 11:59 a.m. ET
Who will be impacted?
All AWS Commercial and GovCloud customers of Selenium Box.
What is the impact?
Customers should expect downtime for the service as instances are restarted within the maintenance window.
1/31/2026 - Enterprise Confluence Maintenance
Summary:
The CMS Enterprise Agile Tools team will conduct scheduled maintenance on Enterprise Confluence, during which the system will be unavailable, as outlined below.
Actions we are taking:
- Reboot the Enterprise (OIT) Confluence Production environment to perform content reindexing
When is this happening?
Start Time: Saturday, 1/31/2026, at 1:00 PM ET
End Time: Saturday, 1/31/2026, at 4:00 PM ET
Who will be impacted?
All Enterprise Confluence Users
What is the impact?
Enterprise Confluence (https://confluenceent.cms.gov/) will be unavailable.
Need help? We are here to support you.
If you have any questions, don't hesitate to reach out to your assigned Hosting Coordinator. CMS IT Support can be reached via cloudsupport@cms.hhs.gov, or call (800) 562-1963, and is documented here at Support Page on cloud.cms.gov.
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