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Auditor-General Flags $4.2 Billion-Plus Phoenix Replacement as High-Risk Under Compressed Schedule

The audit warns the accelerated Dayforce switch faces high risk of overruns with unresolved Phoenix errors.

Overview

  • Public Services and Procurement Canada’s preliminary price tag exceeds $4.2 billion, a figure the Auditor-General notes excludes departmental transition costs and could rise.
  • As of September 30, 2025, the Phoenix backlog stood at 233,653 cases affecting at least 133,000 employees, with limited progress and many files older than one year.
  • Ottawa moved the full migration target up to March 31, 2031, significantly shrinking the window to clear legacy issues while operating Phoenix and Dayforce in parallel.
  • The report says departments must resolve Phoenix cases before migrating to avoid importing errors into Dayforce and urges tight risk monitoring under the shortened schedule.
  • With pay-rule simplification lagging, PSPC is customizing Dayforce, including three applications costing about $4 million annually, and expects first adopters in 2027 to include the Canadian Nuclear Safety Commission, Shared Services Canada and PSPC.