Tuesday, April 12, 2011

Access Repair to Fix Database Corruption While Converting MDB File Using DAO

Microsoft Access is one of the most popular and widely used Relational Database Management System (RDBMS) for small business and home users. It enables multi-user access and supports several other features. However, Microsoft recommends not performing too much concurrent operations on the MDB (Microsoft Database) file. It increases the chances of database corruption and data loss problems. In case of corruption you need to opt for Access database repair solutions.

When corruption occurs to the Access database, you get a number of error messages and face strange behavior of the application. For instance, you may encounter the below error message when you try to open an Access database-

“This database has been converted from a prior version of Microsoft Office Access by using the DAO Compact Database method instead of the Convert Database command on the Tools menu (Database Utilities submenu). This has left the database in a partially converted state. If you have a copy of the database in its original format, use the onvertg Database command on the Tools menu (Database Utilities submenu) to onvert. If the original database is no longer available, create a new database and import your tables and queries to preserve your data. Your other database objects can't be recovered.”

After the above error message, the MDB file becomes inaccessible. In order to repair Access database in such situations, you need to opt for Access repair solutions after finding the actual cause of the issue.


The problem occurs after using the Data Access Objects (DAO) for converting Access database of previous version through Compact Database procedure. Any problem with this database may cause corruption and database becomes totally unusable.


The most efficient repair Access solution to handle such situations is to restore the damaged Access database from the most recent backup. In order to ensure absolute Access database recovery, you must have an updated and valid backup.

If you do not have current backup in place, the only solution is to use Access repair software. The third party Access database repair tools are designed to scan entire database through advanced scanning techniques. They offer easy and safe recovery in all cases of Access database corruption.

Tuesday, April 5, 2011

Access Database Recovery When Migration to MySQL Database Fails

Microsoft Access, a part of Microsoft Office Suite of Product, is the ideal database management system for small businesses. It is easy to manage and offers a number of advanced features. However, in some cases, you may want to migrate your Access database to MySQL, if the available features cannot fulfill the requirements. You must follow all the migration steps carefully to prevent errors and database corruption that ultimately needs Access repair solutions.

Database migration from Access to MySQL undoubtedly offers a wide range of benefits. These efficient features include advanced database security, multi-user access over network, high-performance, and cross platform compatibility. Sometimes, the migration process may fail with some errors and database become unusable. Such issues may occur due to partial or complete corruption to the MS Access database.

The most efficient way to prevent such situations is to create a complete backup of entire Access database. Backup can also be used to perform Access database repair in case of corruption. You must always backup the Access database to a reliable storage media in order to ensure absolute Access recovery.

As a real-life example of this problem with MS Access database you may find that the application is unable to recognize the MDB (Master Database) file. When you export the database to MySQL, it cannot be accessed even in MySQL.

Root of the problem-

The most common reason of the database inaccessibility is the incomplete or failed process of migration. Access database corruption may take place due to any of the below reasons-

  • Low data quality
  • Design or logic errors in reports and forms
  • Damaged JET database engine
  • Poor schema design

How to repair Access database-

Use any of the below Access database repair solutions to work around this problem-

  • Use Compact and Repair tool to fix the corruption. It is an in-built tool to Microsoft Access.
  • Restore the affected database from the most recent backup.

When both the above Access repair methods fail to recover Access database, you need to opt for third-party Access recovery software. They are useful in all cases of corruption, nevertheless the root of the problem. There are numerous application available in the market that can help you recover inaccessible database in such cases, but Stellar Phoenix Access recovery is the most comprehensive one among them.