Our company is preparing to upgrade (via an outside consulting firm) from Nav 4.00 to Nav 2015 --- has anyone experienced this large of an upgrade gap and if so, any advice/suggestions/tips? What did you find to be the most difficult transition for users in the 2015 version? What were your biggest hurdles? Any ideas for the length of "testing/practice" time we should allocate prior to going live? I appreciate your help! Thank you!!
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