Frequently asked question
Yes, it is possible to change the data source of a corrupt web map layer in ArcGIS Online. If a web map contains a corrupt web map layer, the layers do not appear when opening the web map in map viewer. This complicates any attempts to remove or edit the corrupt layer. In this case, ArcGIS Online Assistant can be used to update the URLs of the corrupt web map layer. To do so:
Note: ArcGIS Online Assistant is an unsupported product. Exercise caution when using this tool and test workflows before using it in production.
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