Y2K Computing Challenge:
Day One Planning and Operations Guide
AIMD-10.1.22: Published: Oct 1, 1999. Publicly Released: Mar 21, 2001.
GAO published a guide to help federal agencies develop a Day One strategy to be executed during the last days of 1999 and the first days of 2000. The guide addresses four phases supported by executive oversight: (1) initiation; (2) rollover risk assessment, planning, and preparation; (3) rehearsal; and (4) execution, monitoring, responding, and reporting.