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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 3/5/2026
- 3/8/2026 - Marketplace SSM Patching - Prod
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
3/18/2026 - Non-Marketplace SSM Patching - DEV/TEST/IMPL
Summary:
As part of our normal patching, the CMS Hybrid Cloud team will apply the latest Windows and Linux patches on Wednesday, 3/18/2026 at 6:00 p.m. ET. The week's patches will impact the DEV/TEST/IMPL environment for the affected Non-Marketplace applications noted below.
Actions we are taking:
- Non-Marketplace DEV/TEST/IMPL
- SSM Linux & Windows Vulnerability Patching
When is this happening?
Start Time: Wednesday, 3/18/2026 at 6:00 p.m. ET
End Time: Wednesday, 3/18/2026 at 11:00 p.m. ET
Who will be impacted?
CEDAR, Million Hearts, FFSDCS, RASS, OC Base- eLDAP, SC CLIA, NTP LMS, Spott MACBIS, MDP, OC Base- WNMG, NEIL/HRES, OC Base- EWST, MacFin, eAPD Hi-C, OC Base- CMS Cloud Legacy, OC Base- DevSecOps SecDevOps, iServ, MDP, PECOS2.0, SEI, OC Base- PWSS, TRA, CMS ARTS, MCIM, RAD Analysis Tools, MCIM, Perm, CMS Cloud - CRE, CMS Cloud - Enterprise Agile Tools, CMS Cloud tamer, CMS Cloud - CARD, CMS Cloud - ECS Fargate, CMS Cloud - Direct Connect, CMS Cloud - Jfrog SonarCube, CMS Cloud - DNS Prod, CMS Cloud - SRE, CMS Cloud - Governance 2.0, MEOWx, CMS Cloud - CloudBees Jenkins, CMS Cloud - CET, CMS Cloud - DevSecOps, CMS Cloud - Utilities, CMS Cloud - Testrail, CMS Cloud - CircleCI, CMS Cloud - Sam GSS Security GovCloud, SWIFT, AWS HEIDI, MDX, MSPSC, QMAC, ESS-TOOLS
MEPBS, EACMS, MacPro, PS&R, RDS, OC Base- APIM GEO, 1115 PMDA, CMS Cloud - Governance 2.0, CMS Cloud - QuickDNS, CMS Cloud - CMSNet, CMS Cloud - CCG Web Content, CMS Cloud - Network Arch, CMS Cloud - VPC Automation, CMS Cloud - Security Team, CMS Cloud - CCG Web Content, CMS Cloud Temporal, CMS Cloud - Splunk, CMS Cloud - CET, AWS GSS Security GC, occonfluence, ocjira, miniorange, ocsonarqube, MTF-PM, NDW, MacFin, MTF-DM, PECOS-OM
What is the impact?
Patches will be applied to the affected areas and reboots where tags are applied
3/18/2026 - Marketplace SSM Patching - DEV/TEST
Summary:
As part of our normal patching, the CMS Hybrid Cloud team will apply the latest Windows and Linux patches on Wednesday, 3/18/2026 at 6:00 p.m. ET. The week's patches will impact the DEV/TEST environment for the affected Marketplace applications noted below.
Actions we are taking:
- Marketplace DEV/TEST
- SSM Linux & Windows Vulnerability Patching
When is this happening?
Start Time: Wednesday, 3/18/2026 at 6:00 p.m. ET
End Time: Wednesday, 3/18/2026 at 11:00 p.m. ET
Who will be impacted?
FFM_Opera, FFM_QAO XES - CyberArk, VAMS, TWS, XES - XOC Tools, SERVIS, FFM_Shared_Services, FFM MLMS, XES - MSI Tech Lab, FFM_FM, FFM_TWS, XES - Service Virtualization, CMS Cloud - Advanced Monitoring
DSRS, FFM, FFM DSH, FFM EDI, FFM EFT, FFM ESDCU, MCR, FLH, OC Base- FLH, OC Base PET, FFM_MNPS
What is the impact?
Patches will be applied to the affected areas, reboots may take places where tags are applied
3/18/2026 - Azure Update Manager Patching - DEV/TEST/IMPL
Summary:
As part of our normal patching, the CMS Hybrid Cloud team will apply the latest Windows and Linux patches on Wednesday, 3/18/2026 at 6:00 p.m. ET. The week's patches will impact the DEV/TEST/IMPL environment for the affected MAG applications noted below.
Actions we are taking:
- MAG DEV/TEST/IMPL
- MAG Linux & Windows Vulnerability Patching
When is this happening?
Start Time: Wednesday, 3/18/2026 at 6:00 p.m. ET
End Time: Wednesday, 3/18/2026 at 11:00 p.m. ET
Who will be impacted?
Subscription:
CMS.VDC-CCS.IUSG.SharedServices.001.AG
ScopeInfoTech-CM-HEDIS PLD-005
Resource Group with Reboot:
RG-SS-LDAP-PROXY-DEV
RG-SS-LDAP-PROXY-VAL
Resource Group with No Reboot:
RG-AZE-HEDISPLD-DEV
RG-AZE-HEDISPLD-VAL
What is the impact?
Patches will be transmitted to the affected areas. For some customers, reboots may occur depending upon the tags applied.
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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