QuickBooks File Doctor can often fix Error 6123 without manual steps. Here’s how to use it:

Step 1: Install Tool Hub
Download the Tool Hub from Intuit support. Install and open it.

Step 2: Run QuickBooks File Doctor
In Tool Hub, click "Company File Issues," then "Run QuickBooks File Doctor." Let it load all files. This may take a few minutes, depending on file size.

Step 3: Choose your company file
Select your .QBW file. Choose "Check your file" and run the scan. You will need to enter your QuickBooks Admin credentials.

Step 4: Review results
If the scan finds issues, it will try to fix them automatically. You will receive a summary at the end. Note any suggestions, like "Firewall needs tweaking" or "File is damaged."

Step 5: Retry opening or restoring
Reopen QuickBooks after the scan and test the action that caused Error 6123. It will likely open successfully now.

Step 6: If it fails
Post here with the File Doctor report. Copy and paste errors like "Error DDXX" or network diagnostics info. Also include your QuickBooks version, Windows setup (local vs. server), folder structure, and your antivirus/firewall.

Step 7: Follow-up
Forum experts will guide you based on the File Doctor output. They may suggest adjusting hosting settings, reinstalling services, or running manual file fixes.

Using QuickBooks File Doctor makes troubleshooting easier and helps community members provide targeted help more quickly.

Read More:https://qbookassist.com/quickbooks-error-6123/