This article covers credit checks run through TransUnion directly. These directions will not be relevant if you are using a third party company to pull credit (ex. Credco, CBC, etc.).
Before any setup can be performed in DeskManager, you will need to contact TransUnion at 800-985-4208 to obtain the following information:
Trans Union will provide you with the following information:
In DeskManager click File -> Setup, then in the list on the left, scroll down to Communications and click the + next to it to expand it, then click Equifax.