CGI Federal also told the Centers for Medicare and Medicaid Services in a memo that it couldn't get access to computer logs that would have pinpointed potential problems. The contractor labeled that issue as "severe" as recently as June, and said a compressed schedule didn't allow enough time for adequate testing.
The House Committee on Oversight and Government Reform asked CGI Federal for the documents last week. It released them to the public late Tuesday.
The HealthCare.gov website is a key part of President Barack Obama's health care overhaul, but its high-profile failures have marred the site since it launched Oct. 1.
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