400invalid_grant error

400invalid_grant – authentication failure

If you are trying to connect Salesforce with Tenfold and come across the error above, you should check your Salesforce IP restrictions. The Tenfold production IP is

I want to install your product in sandbox edition of SalesForce but I am getting the message: 400invalid_grant – authentication failure


Every case where I have seen the 400 error is when an organization wants to restrict which IP addresses have access to their account, for example, if a company does not want employees logging in from home. Recently I read a forum post where someone reported Salesforce was placing these IP restrictions as a default. Do you have any information on whether you have such restrictions in place?

Setup -> Administer -> Manage Apps -> Connected Apps




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