Salesforce Error: This App Is Blocked by Admin

You may encounter the following error while creating a new Salesforce connection:

This app is blocked by admin.

Find out what causes this error and what you need to do.

What causes the blocked app error?

Fivetran creates a Salesforce application called Fivetran Sandbox. This connected app requires users to allow access to their resources. The above error appears when a user has yet to agree to provide access to their resources.

How to resolve the blocked app error

To resolve this issue, do the following:

1. In Salesforce, click Setup.
2. Search for Connected Apps OAuth Usage.
3. Unblock the Fivetran Sandbox app.