It’s possible to activate or deactivate validation rules before migration to Salesforce on both Salesforce Classic and Lightning Experience platforms.
Note: Available in Essentials, Contact Manager, Group, Professional, Enterprise, Performance, Unlimited, Developer, and Database.com Editions.
Note: To define, change field validation rules, or view field validation rules you need to have Customize Application user permissions.
![examples validation rules](https://www.findmycrm.com/hubfs/Imported_Blog_Media/examples%20validation%20rules.png)
So, to deactivate validation rules before migration to Salesforce, go through the following steps:
1. From the Setup, go to Object Manager and choose the relevant object
2. In the left sidebar, click Validation Rules.
![validation rules salesforce](https://www.findmycrm.com/hubfs/Imported_Blog_Media/validation%20rules%20salesforce.png)
3. Click “Edit” from the drop-down menu.
![salesforce validation rules](https://www.findmycrm.com/hubfs/Imported_Blog_Media/salesforce%20validation%20rules.jpg)
4. To deactivate the rule, deselect Active, and save your changes.
![validation rules](https://www.findmycrm.com/hubfs/Imported_Blog_Media/validation%20rules.jpg)