Sunday, November 27, 2011

How to repair Exchange Server corruption resulting from JET Engine Errors

JET Engine is a vital functional element of Microsoft Exchange Servers and is prone to corruption. When the JET Engine becomes corrupt, the following error code flashes:

“100 0xFFFFFF9C JET_errRfsFailure JET_errRfsFailure 4294967196”

Frequent causes of MS Exchange Server JET Engine corruption are:

  • Bad sectors on hard drive due to which the database reads incorrect information
  • Corrupt database file pages
  • Hardware failure due to wires, routers and cables
  • Dirty shutdown due to power failure
  • Virus attack or malfunction due to a malicious program
  • Errors due to increasing file size

In the lion's share of Exchange Server corruption cases, immediate data recovery becomes imperative, as in the corporate environment, loss of vital emails and user data can be disastrous. When Exchange Server goes down owing to JET Engine errors, the first resort for the Microsoft Exchange Server user becomes the use of Eseutil.exe and Isinteg.exe utilities to repair the corrupt Exchange Server database file EDB.

But what not many of these users realize is that applying the in-built utilities to the corrupt or damaged EDB file, sometimes aggravates the EDB file corruption. These utilities sometimes delete valuable files whose loss renders it quite impossible to recover the Exchange database intact. Due to missing vital files, the Exchange database can not be rebuilt.

A wise approach in cases of JET Engine errors that look like: JET_errRecordNotFound is to first take a backup copy of the original Exchange Server database EDB file and then perform the recovery using ESEUTIL and ISINTEG.

In certain scenarios, the above mentioned utilities are unable to repair the EDB file. This is where the third party tools save the day. Teeming EDB repair software are up for grabs on the Internet that dexterously recover the data from the corrupt .edb file and restore it as usable PST files.

A staunch solution is “Stellar Phoenix Mailbox Exchange Server Recovery”. This software knows the score to successfully recover user mailboxes and important data into individual PST files that a user can import directly into Outlook. One of the best features of the .edb reapir software is that it retains the original RTF and HTML formatting of the email messages and offers a preview of the user mailboxes and their components before recovery.

Offering a broad set of compatibility, this Exchange repair software supports all the major versions of MS Exchange Server, namely, MS Exchange Server 5.5, 2000, 2003, 2007 and 2010. Before scratching your heads wondering what went wrong with your Exchange database file when you ran ESEUTIL or ISINTEG, trust expert assistance from Stellar, a Microsoft Gold Certified Partner whose data recovery products and services are used by millions across the globe.

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