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CMS Cloud
Weekly change newsletter 1/23/2025

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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 1/16/2025 [ #CC ]
* 1/24/2025 - Splunk Prod - Resize the Splunk Prod instances from 120 x 24XL's to 66 x 24XL's [ #Splunkresize ]
* 01/29/2025 - Non-Marketplace SSM patching - PROD [ #NonmarketplaceSSM ]
* 01/29/2025 - Marketplace SSM patching - IMPL [ #MarketplaceSSM ]
* 1/30/2025 - Tenable Security Center Minor Version [ #Tenable ] Upgrade [ #Tenable ]

Completed change summary for the week of 1/16/2025

*

1/16/2025 - Splunk HTTP Event Collector (HEC) maintenance [ #HEC ]


* 01/18/2025 - Enterprise JIRA Maintenance [ #Jira ]
*

01/18/2025 - Enterprise Testing Services (Selenium Box) Maintenance [ #Selenium ]


*

01/22/2025 - Marketplace SSM patching - DEV/TEST [ #SSM ]


*

01/22/2025 - Non-Marketplace SSM patching - DEV/TEST/IMPL [ #SSM-Nonmarketplace ]

To learn details about previous changes please go to the News and Updates [ https://cloud.cms.gov/News ] section on cloud.cms.gov. (Secure Access required)

For Patching and Gold Image release schedule please view :Patching and Gold Image Release Calendar - 2025 [ https://confluenceent.cms.gov/display/COC/Patching+and+Gold+Image+Release+Calendar+-+2025 ]

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*1/24/2025 - Splunk Prod - Resize the Splunk Prod instances from 120 x 24XL's to 66 x 24XL's*

 

*Summary*

The CMS Hybrid Cloud team will scale down Splunk indexer infrastructure as part of post Open Enrollment (OE) resizing. This is the *second *of a scale down event.

The team will be taking an iterative approach scaling down a small number of indexers at a time and waiting for rebalancing to complete before moving on to the next group.  The team will scale down between 6 and 18 indexers this weekend depending on the time to complete each event cycle. We are taking this approach to minimize any potential search latency.

 

*Actions we are taking*


* Downscaling Splunk indexers.
* Splunk and ITSI will be placed in maintenance mode during each downscale event.
* Part 1 - Reducing the number of indexers from 120 to 84.  *Completed* on 1/17/2025
* Part 2 - Reducing the number of indexers from 84 to 66.  Starting on 1/24/2025

*When is this happening?*

Start Time: Friday, 1/24/25 at 6:00 pm ET
End Time: Sunday 1/26/2025 at 11:00 pm ET

*Who will be impacted?*
DRaaS ITSI, MITG MSI and EMM may have performance impacts when the Cloud Splunk indexers are being configured. Also, CCIC search heads peered to the Splunk environment might be impacted.

*What is the impact?*
There will be latency in adhoc searches that are performed by customers. Dashboards might also render slowly and have incomplete data while the changes are being propagated.

*Benefits of the change;*
This is part of OE12 close out tasks

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01/29/2025 - Non-Marketplace SSM patching - PROD

*Summary*


* Non-Marketplace PROD
* 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. This week's patches will impact the PROD environment for the affected Non-Marketplace applications noted below.

*When is this happening?*

Start Time: Wednesday,  01/29/2025 at 9:00 p.m. ET

End Time: Thursday,  01/30/2025 at 2:00 a.m ET

*Who will be impacted? *

*Reboot* - 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, NDW, 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

*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

*What is the impact? *

Patches will be transmitted to the affected areas. For some customers, reboots may occur depending upon the tags applied.

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01/29/2025 - Marketplace SSM patching - IMPL

*Summary*


* Marketplace 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. This week's patches will impact the IMPL environment for the affected Marketplace applications noted below.

*When is this happening?*

Start Time: Wednesday, 01/29/2025 at 9:00 p.m. ET

End Time:  Thursday, 01/30/2025 at 2:00 a.m ET

*Who will be impacted? *

FFM_Opera, 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.

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1/30/2025 - Tenable Security Center Minor Version Upgrade

*Summary:*

Maintenance on Tenable Security Center tool for upgrade from v.6.3.0 to v.6.5.1.

*Actions we are taking*

Minor version upgrade to Tenable Security Center

*When is this happening?*

Start Time: Thursday, 1/30/2025 at 11:00 a.m. ET
End Time: Thursday, 1/30/2025 at 6:00 p.m. ET

*Who will be impacted?*

All AWS Commercial, AWS GovCloud, MAG and DRaaS/IaaS accounts; all customers using Tenable tool.

*What is the impact? *

All customers may have scans delayed within all environments until the upgrade is complete. The customer impact to an outage is low as findings are still available in customer dashboards like Security Hub, Splunk, and Jira. Adhoc scan requests will be unavailable, but can be completed following a successful upgrade. Tenable scans will be halted until the upgrade process is complete. This change will occur during business hours to minimize the impact because most scans run outside of business hours.

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Special Outage Notification:

*VDI End User Update:*

On Saturday, January 25th between 10:00 AM - 1:00 PM, the VDI End User Team will update Citrix NetScaler load balancers and create an HA pair.

*Impact:*

There is a potential for temporary outage during reboot of the appliances. During the execution of this CR, end users may get kicked from VDI, if so, logging back in should resolve the issue.

For more information or concerns contact the VDI team -  LeidosWintelCitrixTeam@cms.hhs.gov"

 

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, <cloudsupport@cms.hhs.gov> or call (800) 562-1963, and is documented here at Support Page [ https://cloud.cms.gov/cms-cloud-get-help ] on cloud.cms.gov [ http://cloud.cms.gov/ ].

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