I have a client, who received an error message when Foxpro application initiated, Foxpro v9.0 error msg: "Unrecognized Database Format".
My client reported, that he have had a power failure and the problem appeared after he rebooted PC.
It appears that foxpro database corruption caused by power failure.
Any suggestions, friends...
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Disclaimer: The last version of VFP I worked on was 6. So ask around before following any of my suggestions. At least back then, there was no redundancy. So, If it's truly corrupt, then there's probably no recourse except your back-up. Hopefully there's a backup?
But it could just be the indices.
I would make a backup *before* attempting to examine the database. You don't want to make things worse. Then go in, delete and rebuild the indices and relationships (hopefully you kept documentation on all those).
Sometimes a single record is corrupt, but it prevents the rest of the database from being read. I believe there are utilities that might help you recover. Search for them on the net. You can also look at the raw file and see if there is anyway to extract the data at the low level.
With FP and mission-critical apps, you need uninterruptible power supplies and constant backups. One way to do this is to have your app save each transaction in a separate record on a separate file server. Then, in an emergency, you can reconstruct the day's happenings back to the time of the last full back up.
Guide how to recover .dbf file, see steps...
1. Open the dBase command line from the Windows Start menu.
2. Log into the local dBase software with your username and password.
3. Click on the dBase command line section of the window that is open.
4. Type "dbf /recover yourDbaseFile.dbf" into the command line, where "yourDbaseFile.dbf" is the name of the dBase file whose tables are corrupted.
5. Press "Enter." dBase takes some time (ranging from a few minutes to a few hours, depending on the size of the database) to analyze and repair the file and its contents. You are alerted when this process is finished.
As alternative solutions/resources might be...
https://dbf.recoverytoolbox.com (Recovery Toolbox for DBF) - tool for restoring dBase IV, Clippe, Foxpro, Visual Foxpro and other databases support this format
https://social.msdn.microsoft.com/For... - Microsoft community dedicated to .DBF databases