Accepting credit card payments from your online store to the TD Bank using Bambora Payment Gateway Extension.
Accept credit card payments from your online store to the Scotiabank Account using Chase Paymentech.
This issue is not related to Magento or with any Magento version or not related to Magento migration but it's issue in your server side configuration.
If you want to display 404 for any specific controller or you want to redirect any page to the 404 page then you can use the below code.
Adding admin user using SSH is very simple and fastest way. Run below command to your Magento 2 website SSH to add new admin user account.
Magento 2 has all the features which are required in any ecommerce website but below are some important and advanced feature which may not be provided by other framework and you will get this with Magento 2 in free of cost!