Exchange Server is the essential component of Microsoft Windows operating system and acts as the server of client-server application. The major features of Exchange Server consist of electronic mail, calendaring, contacts and tasks which work in synchronization with MS Outlook. Here comes the question that how Exchange Server stores emails and other items and lets the users to retrieve them whenever they require. All the data including emails and attachments are stored in EDB database files which are accessed when user tries to retrieve data from MS Exchange Server.

Sometimes, you might face situations when your Exchange Server stops working and does not display desired results while asking for them. It may also display some unfamiliar erroneous messages to the users which indicate the presence of corruption in the database of EDB files. The inaccessibility of data is actually the consequence of corruption in the EDB database. The corruption could occur due to virus attack, improper system shutdown, application malfunction, user errors and missing database objects. Basically, there are two main types of database corruption which are as follows:

Logical Corruption: Logical corruption in the EDB database causes due to damaged or missing database objects such as database engine failure or information store corruption. This type of corruption could also occur at application level in folders, mailboxes, messages and attachments.

Physical Corruption: This type of corruption occurs when entire database gets damaged on the hard drive. It is very easy to identify. Read More . ......http://www.edbtopstconverter.softwaredatarecovery.net

To overcome the corruption issues, Exchange Server provides two in-built repair tools which are Eseutil and Isinteg. These tools help in repairing and restoring corrupt database in some situations but fail in case of severe corruption. For such cases, third party tools are required. Kernel for Exchange Server is such a repair tool that effectively repairs private as well as public folders and saves user mailboxes to EDB or PST files.