Why a Defined Hypercare Window Is Critical to Closing a Migration Project

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Hypercare is the structured support period immediately following a system go-live, and its success depends on agreeing to a firm end date before the project launches. Without a stated close date, the support period tends to drift indefinitely, with clients continuing to rely on their migration contact rather than the designated support team. The most common post-go-live issues fall into three categories: users unable to locate data, records that appear incorrect, and questions about data that was intentionally excluded from migration. A final reconciliation report documenting counts, exceptions, exclusions, and known limitations serves as the lasting artifact of the project and a reference for future queries. Closing well also requires a warm handoff to a named support contact, not just a generic mailbox, so clients feel continuity rather than abandonment.

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