How to enforce Validation Rules for Converted Leads:

Enable ‘Require Validation for Converted Leads’ in Salesforce Classic

  1. Go to Setup | Build | Customize | Leads | Lead Settings.
  2. Click on Edit.
  3. Select Require Validation for Converted Leads.
  4. Click on Save.

Enable ‘Require Validation for Converted Leads’ in Lightning Experience

  1. Click on gear icon then Setup.
  2. On the Home Tab, look for Feature Settings | Marketing | Lead Settings.
  3. Click on Edit.
  4. Select Require Validation for Converted Leads.
  5. Click on Save.

 

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