When you attempt to run Microsoft Exchange Information Store Service, you may face unexpected behavior of Exchange Server and may get following error message:

"The Microsoft Exchange Information Store service returned service specific error 4294966274." After this error message, you may find the following entries in the Application Event Log of Microsoft Exchange Server:

Event ID: 31

Source: EDB

Type: Error

Category: Logging/Recovery

Description: MSExchangeIS ((313)) Unable to read the log header. Error -1022.

Event ID: 1120

Source: MSExchangeIS

Type: Error

Category: General

Description: Error -1022 initializing the Microsoft Exchange Server Information Store database.

After this behavior, you can not access even a single bit of data from your Exchange Server Database (EDB file).

The above mentioned error message generally occurs due to corrupt or damaged Exchange Server Transaction Log file. This error message may also occur in case of Exchange Server database corruption due to potential hardware problems. You should check Event Viewer's system log for finding hardware issues.

In both situations, your database will remain inaccessible and you may fall in grave situations of data loss. The data loss can never be accepted by any of the Exchange Server users and it may put you in big trouble.

In such catastrophic situations, the only thing which can save you and your business is to perform Exchange Server recovery. Exchange Server recovery is best possible using EDB recovery software.

Exchange Server recovery software are third party tools which allow you to have quick and efficient Exchange Server repair in most of the EDB corruption scenarios. You may find a wide variety of EDB repair software in the market. All these software are different from each other and have different set of features.

Mailbox Exchange Recovery software is the best ever made and the most commendable Exchange Server recovery software. It systematically scans entire EDB file and extracts as much data as possible.

Exchange Server repair has an interactive user interface and thus does not demand any sound technical knowledge from users' side. It is capable of doing EDB repair for all Exchange Server objects including emails, notes, contacts, journals and so forth.

To rehash what I stated earlier, when you attempt to run Microsoft Exchange Information Store Service, you may face unexpected behavior of Exchange Server and may get following error message - "The Microsoft Exchange Information Store service returned service specific error 4294966274." After this error message, you may find the following entries in the Application Event Log. The error you are getting is likely: Error -1022 initializing the Microsoft Exchange Server Information Store database.

After this behavior, you can not access even a single bit of data from your Exchange Server Database (EDB file). Now that you know how to, go fix it!