Access has a really easy query wizard for finding duplicates in a table. This will get you part of the way through your problem without any code.
Try this: With Access open to your queries window, look at for a button that has the icon for a new query (different from the 'Create query by using...
Mark:
Not sure that I have found a solution, but I have found some more info on the subject. Follow the link below - it is a bit confusing, so here is my interpretation of all of it...
Hello:
I've got an Access database running on a server with 10 or so users.
In the last couple of days, I've had a probem twice that I was finally able to diagnose as a table having "lost" a primary key setting.
The autonumber field that I had designated as the PK was no longer set as a PK...
Under the Tools menu, choose Options, then the Advanced. Make sure that the default open mode is set to "shared" not "exclusive".
Also, If any user is working in a table, it can cause problems for other users trying to work on info in that table - so you'll need to make sure that your users are...
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