https://accountants-community.intuit.com/questions/190811... - Intuit Accountants Community

https://accountants-community.intuit.com/questions/1908112-attempting-to-transfer-client-files-from-... may help you search for X://prowin18/18data on what should be your service drive.

If the old server is working, use the backup feature, then use restore on the new one. https://accountants-community.intuit.com/articles/1859784-how-to-use-proseries-backup-utility

Answers are easy. Questions are hard!