Each week, the CMS 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 6/5/2025
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 - 2025
6/12/2025 - Create New Indexes on Splunk Production Indexers
Summary:
The CMS Hybrid Cloud Splunk team will be creating new indexes on the Splunk production indexers which will require a rolling restart.
Actions we are taking:
- Backup up configs
- Creating the new indexes
- Restarting indexers one at a time
When is this happening?
Start Time: Thursday, 6/12/2025 at 7:00 p.m. ET
End Time: Friday, 6/13/2025 at 11:00 p.m. ET
Who will be impacted?
DRaaS ITSI, MITG MSI, EMM and CCIC search heads peered to the Splunk environment.
What is the Impact?
Individual user searches can be impacted when they are running on indexer being restarted.
6/14/2025 - Splunk Indexer and Cluster Manager OS Patching
Summary:
The CMS Hybrid Cloud Splunk team will be performing manual OS patching of the Splunk Indexer and Cluster Manager.
Actions we are taking:
- Verifying instance snapshots
- Creating a patch list
- Applying patches
- Restarting servers one at a time
When is this happening?
Start Time: Saturday, 6/14/2025 at 10:00 a.m. ET
End Time: Saturday, 6/14/2025 at 6:00 p.m. ET
Who will be impacted?
DRaaS ITSI, MITG MSI, EMM and CCIC search heads peered to the Splunk environment.
What is the Impact?
Individual user searches can be impacted when they are running on indexer being restarted.
6/15/2025 - Restart Production and Non-Prod HEC Servers
Summary:
The CMS Hybrid Cloud Splunk team will perform a rolling restart of the HEC Splunk Services. Splunk professional services identified some new token configuration that will need to be remediated to ensure the stability of the Splunk HEC Forwarders. They recommended that we restart the HEC Forwarders weekly until all the newly identified token configurations are corrected.
Actions we are taking:
- Restarting the Prod and Non-Prod HEC Forwarders
When is this happening?
Start Time: Sunday, 6/15/2025 at 10:00 a.m. ET
End Time: Sunday, 6/15/2025 at 2:00 p.m. ET
Who will be impacted?
MITG and MSI
What is the impact?
This change has low impact. We have 45 prod HEC services and 18 Non-Prod and we only restart 5 at a time. The majority of load balanced HEC servers will be available as the restarts progress and they have sufficient capacity to handle all ingest streams.
6/18/2025 - Non-Marketplace SSM patching - DEV/TEST/IMPL
Summary:
- Non-Marketplace DEV/TEST/IMPL
- SSM Linux & Windows Vulnerability Patching
Actions we are taking:
As part of our normal patching, the CMS Hybrid Cloud team will apply the latest Windows and Linux patches on Wednesday, 6/18/2025 at 5:00 p.m. ET. The week's patches will impact the DEV/TEST/IMPL environment for the affected Non-Marketplace applications noted below.
When is this happening?
Start Time: Wednesday, 6/18/2025 at 5:00 p.m. ET
End Time: Wednesday, 6/18/2025 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
No reboot - 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, CMS Cloud - Splunk GovCloud Dev, occonfluence, ocjira, miniorange, ocsonarqube, MTF-PM, NDW
What is the impact?
Patches will be transmitted to the affected areas. For some customers, reboots may occur depending upon the tags applied.
6/18/2025 - Marketplace SSM patching - DEV/TEST
Summary:
- Marketplace DEV/TEST
- SSM Linux & Windows Vulnerability Patching
Actions we are taking:
As part of our normal patching, the CMS Hybrid Cloud team will apply the latest Windows and Linux patches on Wednesday, 6/18/2025 at 5:00 p.m. ET. The week's patches will impact the DEV/TEST environment for the affected Marketplace applications noted below.
When is this happening?
Start Time: Wednesday, 6/18/2025 at 5:00 p.m. ET
End Time: Wednesday, 6/18/2025 at 11:00 p.m ET
Who will be impacted?
FFM_Opera, FFM_QAO XES - CyberArk, OCEAN, VAMS, TWS, XES - XOC Tools, SERVIS, FFM_Shared_Services, FFM MLMS, XES - MSI Tech Lab, FFM_FM, FFM_TWS, FFM_PM, XES - Service Virtualization
DSRS, FFM, FFM DSH, FFM EDI, FFM EFT, FFM ESDCU, MCR, FLH, OC Base- FLH, OC Base PET
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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