When you pair QuickBooks, our tool sends an owner ID and a file ID. If you try to pair QuickBooks on another machine and use the same file, QuickBooks tries to pair the same file and owner ID. The file ID and owner ID must be unique.
How do I obtain a unique ID?
The simplest way is downloading a new pairing file or changing the file ID field. Here are the steps:
Right click the QWC and select open with.
Choose note pad.
Change the file ID and owner ID values by changing the last character: