Cloning an SSD where Peachtree (Sage 50) "Another user is using this company" Issue Fix Issue after cloning an SSD where Peachtree (Sage 50) shows an error like: "Another user is using this company" or "Cannot open the company file – it’s in use by another user." This is often caused by cloning the system without resetting certain registry keys or configuration files that Peachtree uses to track sessions or system identity. ✅ Causes: Registry/Machine ID conflict – Cloning keeps the same registry identity, causing the server or Peachtree to think the same user is connected multiple times. Lock file not released – Peachtree uses *.LCK or *.PTL lock files to track users. These might persist or not be properly released after cloning. Peachtree thinks the old system is still online , since the hostname and registry info are the same. Fix Steps: 1. Delete Lock Files On the machin...
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