Copy the file and paste it into a backup folder before editing. If a mistake is made, you can easily restore the original. 2. Verify Database Connection Credentials
Press Windows Key + R , type regedit , and press to open the Registry Editor.
Most TecDoc installations include a backup file named tecdoc.config.default or config.bak . loading data failed check the configuration file tecdoc new
: The application cannot locate the local or network database files because the directory paths in the configuration file are wrong.
The data was moved to a new drive (e.g., from C: to D:), but the configuration file still points to the old path. Step-by-Step Troubleshooting Guide 1. Verify SQL Server Services Copy the file and paste it into a
💡 If you recently moved your database to a NAS or an external drive, ensure the drive letter hasn't changed. A simple shift from E: to F: will trigger the "Loading Data Failed" error immediately.
Set up a simple batch script or a weekly calendar reminder to copy your config.json file to an external drive or cloud folder. A corrupted config is the #1 cause, and a backup fixes it in 30 seconds. Verify Database Connection Credentials Press Windows Key +
C:\Program Files\TecAlliance\ or C:\Users\[YourUsername]\AppData\Roaming\TecAlliance\
Note: You may need to re-enter your license key and database connection details after this step.
When you see "Loading data failed. Check the configuration file," the application is telling you that it attempted to read a critical .json , .xml , .ini , or .conf file (depending on your deployment) but failed. This failure can happen before the software even attempts to contact the TecDoc servers.