Applications & Technology

Asset Management Network

Effective Tuesday, Dec. 5, 2023, SMDU Manual Case Submission decision letters, aka Non-Delegated Submission decision letters, are longer issued via e-mail by Fannie Mae’s Home Retention Solutions. If you need the decision letter, log into SMDU and select View Case Letters. Contact the Servicer Solutions Team with questions.


An effective way to report Loss Mitigation required by the Fannie Mae Servicing Policy

Designed for mortgage servicers and vendors, Fannie Mae’s Asset Management Network  (AMN) application features tools for submission of Fannie Mae loss mitigation workout cases.

Asset Management Network Availability

Every day, 8 a.m. to 10 p.m. ET. Loan modifications that close between 8 p.m. and 10 p.m. ET will bridge to Investor Reporting the following night. Files are processed Monday through Saturday. No processing occurs Sunday. Due to SIR Loanfinder maintenance, HSSN Case creation will be unavailable from 8 p.m. to midnight ET on the second business day of each month.

All Technology Application Availability

REOgram notification have transitioned to Property 360™. Read the release notes.



  • Enables mortgage servicers to submit Fannie Mae loss mitigation workout cases online
  • Allows monthly reporting submissions via Delinquency Reporting

Related Applications

HSSN Retirement Preparedness

In Servicing Notice, Advance Notice of Retirement of HomeSaver Solutions Network Workout Functionality (Oct. 30, 2019), we informed servicers that we will retire and transition the mortgage loan workout reporting and related functionality in the HomeSaver Solutions Network (HSSN) to Servicing Management Default Underwriter™ (SMDU), SMDU UI and SMDU Case Management for all workout reporting processes. In response to servicer feedback and as a result of the impact of COVID-19, we are postponing the Dec. 31, 2020 retirement date previously communicated in that Notice. We will communicate a new retirement date at a future date.

Technology Terms & Conditions

The Technology Terms and Conditions previously provided on this page are now located in the new Consolidated Technology Guide. A PDF version of the Guide and other related content is available on the Consolidated Technology Guide page