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Revise TSG for Update Service memory issues #230

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Merged
AlBurns-MSFT merged 3 commits into from
Feb 3, 2026
Merged

Revise TSG for Update Service memory issues #230

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a86f3be
Revise TSG for Update Service memory issues
cpuck Jan 13, 2026
8709d55
Update TSG/Update/Update-Service-terminated-repeatedly-by-ALM.md
cpuck Feb 2, 2026
59d5295
Update TSG for service termination due to memory issues
cpuck Feb 2, 2026
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20 changes: 20 additions & 0 deletions TSG/Update/Update-Service-terminated-repeatedly-by-ALM.md
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Expand Up @@ -97,6 +97,24 @@ if ($resourceIds.Count -gt 0)
}
```

## Remove failed Update action plan instances
Delete all failed Update action plans except for the last failed one.

```
Import-Module ECEClient -DisableNameChecking
$failedUpdates = Get-ActionPlanInstances | ? { $_.Status -eq "Failed" -and $_.ActionPlanName -match "MAS Update" } | sort LastModifiedDateTime -Descending | select -Skip 1
$instanceIDs = $failedUpdates.InstanceID

$eceClient = Create-ECEClusterServiceClient
$deleteActionPlanInstanceDescription = New-Object Microsoft.AzureStack.Solution.Deploy.EnterpriseCloudEngine.Controllers.Models.DeleteActionPlanInstanceDescription

foreach ($actionPlanInstanceID in $instanceIDs) {
# remove old instance
$deleteActionPlanInstanceDescription.ActionPlanInstanceID = $actionPlanInstanceID
$eceClient.DeleteActionPlanInstance($deleteActionPlanInstanceDescription).Wait()
}
```

## (Last Resort) Increase update service memory limit
If the problem is still occurring, the final thing to do is to temporarily increase the configured memory limit for the update service.

Expand Down Expand Up @@ -162,3 +180,5 @@ else
Write-Host "No changes needed. Existing limits are already set. Warning limit $($memoryWarningLimit)MB and Error limit $($memoryErrorLimit)MB"
}
```