Hi @Debi-Moha  Currently we do not have a mechanism to isolate the external locations and storage credentials based on workspaces, since the metastore is shared across the workspaces.

Please check below document for recommendations on securing external locations:

https://docs.databricks.com/en/data-governance/unity-catalog/best-practices.html#recommendations-for...

We do have a Feature request for this and this feature is considered for future.

Ideas Portal Idea:DB-I-7138