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Switching your CRM feels straightforward until you're neck-deep in mismatched fields, duplicate contacts, and a sales team that can't log a call. I've seen businesses treat a CRM migration like a simple data export, only to spend months untangling the fallout.

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That confidence tends to disappear fast. According to one analysis by Vantage Point, up to 40% of CRM migrations encounter significant problems, from data integrity failures to field mappings that silently corrupt your reporting. But those problems are preventable. The five practices below won't eliminate every headache, but they'll keep the serious ones from derailing your rollout.

The single biggest mistake I see in CRM migrations is treating the move as a copy-paste exercise. If your current system holds stale records, you'll just be moving that mess into a new home.