Merge pull request #212650 from CocoWang-wql/patch-19

Update image-cleaner.md

Author: prmerger-automator[bot]

articles/aks/image-cleaner.md

@@ -93,6 +93,9 @@ In addition to choosing between manual and automatic mode, there are several opt
 |--disable-image-cleaner|Disable the ImageCleaner feature for an AKS cluster|Yes, unless enable is specified|
 |--image-cleaner-interval-hours|This parameter determines the interval time (in hours) ImageCleaner will use to run. The default value is one week, the minimum value is 24 hours and the maximum is three months.|No|
 
+> [!NOTE]
+> After disabling ImageCleaner, the old configuration still exists. This means that if you enable the feature again without explicitly passing configuration, the existing value will be used rather than the default.
+
 ## Enable ImageCleaner on your AKS cluster
 
 To create a new AKS cluster using the default interval, use [az aks create][az-aks-create]: