When Administrators try to mount an Exchange database on the server, sometimes an error message may appear:

‘Error -1216 (JET_errAttachedDatabaseMismatch)’

What exactly Jet Error 1216 is?

Jet Error 1216 pops out when the header information in the log files and the databases shows that an important file has been removed from the log. Then, the error message appears as “Error -1216 (JET_errAttachedDatabaseMismatch)”.

Causes of Jet Error 1216

This error generally occurs due to sudden stoppage of a storage group and the subsequent loss of data. After rectifying this error, the storage group may start again but with some data missing. And the consequences are severe: Learn more

As a matter of fact, user mailboxes are stored on the Exchange Server. This simply means that the Exchange Server database stores your emails, notes, contacts, calendar items and more.

The Exchange Server has the responsibility of delivering emails to the target recipients. However, have this ever happened with you that your Exchange Server is delivering your outgoing emails without the attachments. Also, in the Exchange Server mailbox, you are unable to view the any attachments. Learn more

Behind every successful business, a powerful and strong communication has a great contribution. MS Outlook is therefore a popular email client for messaging and exchanging information. Microsoft Outlook has emerged as an instant, affordable and reliable enterprise level messaging solution. In a short duration of time it has reached the crest of popularity. It is more than just a mailing application. Where user can send and receive messages they can also store calendar events (planner), access address books and web based information throughout the organization. Beside a reliable mailing client, it is also a multi-task performer. It can execute so many functions with the help of EDB (Exchange Database) file located at Exchange server. Learn more

While trying to mount a mailbox store or a public folder store in MS Exchange 2000 Server or in MS Exchange Server 2003, you may experience trouble. During the process, you may receive following error message:

An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both. Learn more

Every time an email sent through MS Outlook, a copy of that email generally gets saved on Exchange Server in EDB files. The important point to note is that emails along with their information such as to, CC, Bcc, from etc and calendar, contacts, notes and journal are saved in EDB files. But, in case of Exchange Server database, there are also situations when the mail infected with virus spreads to user’s mailbox. Whenever, such unwanted situation arise it directly damages the entire mailbox or entire Exchange Server Database (EDB file). In such circumstances, all of the precious data stored in the EDB file turns out to be inaccessible and ultimately results in the loss of data. Learn more