Jet Database and Access: Unrecognized Database Format

A Jet Database Engine serves as the underlying component of a database and all the information is stored on it in the networked scenario. Any wrong thing happened to it, can lead to the corruption of database and in most of the cases where data corrupted is of much importance, needs to be repaired. Any corruption in Jet database engine lead to following two common errors:

• The Microsoft Jet database engine stopped the process because you and another user are attempting to change the same data at the same time.
• Unrecognized database format 'databasename.mdb'

In jet database engine first error message may displayed when the long value column has bad data stored in it. The page in which the row is stored differs from the one in which the long value is stored. “Unrecognized database format” error in jet database engine may come when Jet Database Engine improperly shuts down while the process of writing down to the disk that cause corruption in jet database engine as well as database file. This error mainly comes in access 2000 and access 2002 use the Jet 4.0 engine which creates Jet 4.0 format database files. Jet 3.5 components do not recognize such a format. Also due to misplacement of an index on the MSysObjects table, an error message is encountered that announces

To fix this problem you should install Latest Microsoft Jet database engine hotfix pack and use compact and repair utility provided by it. You can workaround with this installing Visual Studio Service Pack 4 or later. For ADO (or the ADO Data Control), use the Microsoft.Jet.OLEDB.4.0 provider. But sometime data is critically damaged and we can’t repair it using these utility. In this situation we need powerful access repair software which fixes every error that cause corruption and repair our important database.

Now you can google for access recovery software easily but we don’t know which software will provide full repair on our database file. In these circumstances I can suggest you power full Access or .mdb repair software which is Stellar Phoenix Access Recovery Utility. Its main feature it works on every version of Microsoft access including Access 97, 2000, 2002/ XP, 2003 and 2007 and perform thorough scan for repairing database file. Demo version of this software shows you repaired database.

MS Access: Unrecognized Database Format

A database refers to collection of records or data in a structured manner and MS access is a powerful tool provide by Microsoft for creating data bases and maintaining it. This application is common among users who create online databases as it is based on relational database management system. Theses databases are easy to handle, powerful and can be secured using passwords. Access databases are used to store data so that information can easily be retrieved by professionals.

Unrecognized database format is a common problem faced by users handling Ms Access which may happen due to corruption of our Help Master Pro database due to following reasons:

1. Fluctuation or power loss

2. System crash

3. Network failure

4. Disk failure.

Or it may also happen due to that you are trying to open it in lower version and actually it was created in upper version of MS access

What can be done?

If you are facing problem due to Help Master pro Database then it should be repaired but this could damage or corrupt your original database and data may be lost.

And if it is related to versions then try to open in upper version if you have or convert the original one in lower version. If you still face the same problem of ‘Unrecognized database format’ then you need to repair it.

REPAIR IT

In any of the cases there are chances of corruption or damage of data and in that case you require data repair software and “Stellar Phoenix Access Recovery” software is the best for it. This is the one which has specifically been designed for repairing your MS Access databases designed on various formats.

Demo Version of the access repair allows you get a preview of your repaired database and provides a very user friendly and interactive interface and apart from that it repairs all primary keys and relations of tables of your original database. In addition to this it supports various versions of MS access including Access 97, Access 2000 and many more.