Azure Data Factory Validation Rules and Limitations

🚨 CRITICAL: Activity Nesting Limitations

Azure Data Factory has STRICT nesting rules for control flow activities. Violating these rules will cause pipeline failures or prevent pipeline creation.

Supported Control Flow Activities for Nesting

Four control flow activities support nested activities:

• ForEach: Iterates over collections and executes activities in a loop
• If Condition: Branches based on true/false evaluation
• Until: Implements do-until loops with timeout options
• Switch: Evaluates activities matching case conditions

✅ PERMITTED Nesting Combinations