And yes, it was in all caps.

Via NRO:

Henry Chao, the deputy CIO of CMS, issued a blunt, all-caps warning to colleagues just days before HealthCare.gov was set to launch:

I DO NOT WANT A REPEAT OF WHAT HAPPENED NEAR THE END OF DECEMBER 2005 WHERE MEDICARE.GOV HAD A MELTDOWN (THIS IS TO GET YOUR ATTENTION IF I DIDN’T ALREADY.