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PENDING SCCM 2409 – All replication links FAILED, RLA says “Central administration still in maintenance mode”

WinnieTian

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SCCM version:
2409 (Current Branch)
Hierarchy: CAS + multiple Primary Sites
Monitoring → Database Replication → All links from CAS to primary sites (and others) show FAILED
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Replication Link Analyzer (RLA) output:
Troubleshoot issue on other link since sites [HKC] are still in maintenance mode.
isSiteActive = FALSE in console
RLA reports Has passed = FALSE
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What I’ve tried (and results)
console panel can find distribution point disable or disable maintenance mode ,but not central administration site..
powershell query "Get-CMSite -SiteCode "HKC" | Select Name, MaintenanceMode" Result Empty result (no data returned)
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SQL query on the site USE CM_HKC; EXEC spDiagDRS;
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spSendSiteHeartbeat is missing in CM_HKC

Appreciate any guidance!
I’m stuck at the final step — need to get replication healthy again
 
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