Desktop Underwriter & Desktop Originator Learning Center
Depend on Desktop Underwriter® (DU®), Fannie Mae’s dynamic application that helps mortgage loan originators streamline the loan process, provide borrowers with sustainable homeownership opportunities and respond swiftly to changing conditions in a competitive market. Sponsored mortgage brokers have access to DU through Desktop Originator® (DO®).
Use the resources below to optimize your use of the industry-leading automated underwriting system.
Positive Rent Payments Report in Fannie Mae Connect
Want to know which loans might benefit from positive rent payments? Use this report to help identify opportunities where it may impact the eligibility assessment in DU.
Explore training and resources
Job Aids & Guides
Frequently Asked Questions
Online Learning
Other Resources
- Credit Score Eligibility in DU for Multiple Borrowers Fact Sheet
- DU Error Codes
- Resolving Common DU Error Codes
- DU Credit-related Error Codes Job Aid
- Credit Information Providers
- DU Qualifying Interest Rate for Proposed Monthly Housing Expense for ARM Loans
- DU Potential Red Flag Messages Matrix
- Day 1 Certainty®