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Exchange Disaster Recovery
[ Exchange Disaster Recovery ]

·Exchange Disaster Recovery after Hurricane
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Welcome To Exchange Recovery

BEFORE RUNNING ANY UTILITIES -
Make a copy of your priv.edb and log files (Exchange 5.5) or priv1.edb and stream files (Exchange 2000 or 2003) and pub.edb! We can recover your email if you make copies prior to running utilities. DO NOT run MS utilities!!!

Microsoft Exchange Servers have become popular with many businesses, because of their expansive communication and planning features. So when an Exchange Server goes down, the effects on a company can be dramatic. Suddenly, all email communications cease, meetings schedules become inaccessible and client lists lost. This is a scenario which requires fast action, and a quick return to regular service.

dtidata can help you get your Exchange Server back online immediately, and get your company up and running again. Our Exchange data recovery engineers have years of experience repairing Exchange Server databases, including damaged Priv.edb and pub.edb files. Using proprietary tools, we also can recover damaged mailboxes from IS database files(usually resulting from"Jet Engine Errors"), repair database corruption or "Read Verification Error" issues. We encourage you to contact us, especially if another company has informed you that your mailboxes cannot be recovered.


Hard Drive Recovery
Hard drive recovery services by dtidata.com when your Exchange Server has a damaged RAID array or unmounted disk. DTI has a class 100 clean room for all types of Hard Drive Recovery
Call our Exchange Hotline 727-251-2058 24/7 - Initial Support Call Are No Charge. You Only Pay If An Engineer Must Remote In To Solve Your Exchange Issue.

Exchange File Recovery Warning

We offer the ability to recover mailboxes straight from log files, even if you exchange .edb or .stm files are missing or corrupt. But, we must stress that if you Exchange Server database will not load, you must NOT attempt to use such utility programs as Eseutil or Isinteg to restore your data. These programs can delete valuable data, and can eliminate valuable log file data which could normally be used to rebuild the database. Contacting us first before you do anything is a superb idea, as it can save you money and resources.Call our Exchange Hotline 727-251-2058 24/7 - Initial Support Call Are No Charge. You Only Pay If An Engineer Must Remote In To Solve Your Exchange Issue.

Microsoft Jet Database Error Warning

If your database is corrupted heavily, it is likely jet errors will occur. In most cases, Jet errors are not repairable. The most common error our customers usually see is: JET_errRecordNotFound, which is never recoverable using the eseutil.exe program. In fact, in many cases where this error appears, running eseutil will result in additional lost time and data. Another problem are 1003 0xFFFFFC15 JET_errInvalidParameter Invalid API parameter 4294966293 error codes.

Also, watch for "JET_errKeyDuplicate Illegal duplicate key", which is another common jet error message that occurs due to database corruption. This also typically cannot be restored with eseutil.

Finally, an important error to watch for are ESE97 Error Codes:
JET_errReadVerifyFailure Read verification error 4294966278, which can typically be the symptom one or two of four main issues. The first, that your hard drive has sector errors. The second being that some information may have been written incorrectly into the database file, which is often caused by third party software. The third being that pages in the database file are corrupt, with the fourth being that the Exchange Server Jet Engine is corrupt. Read this first: Restoring exchange information stores with eseutil.

No matter your Exchange Server's drive configuration or file size, dtidata can have you up and running right away. Please contact us at the toll free number above, or if the recovery request is not mission-critical, contact 727-723-3840. Call our Exchange Hotline 727-251-2058 24/7 - Initial Support Call Are No Charge. You Only Pay If An Engineer Must Remote In To Solve Your Exchange Issue.

dtidata repairs and recovers Exchange Server databases that have experienced many different errors and problems. Some of these issues include:

  • Physical hard drive failure
  • Jet Errors
  • Controller card malfunctions or failure
  • Drive sector errors within the main Exchange files
  • Improper shutdowns such as power failures (which can corrupt files and data)
  • Email deletion, whether accidental or not
  • Viral attack and Exchange
  • Exchange program failure or boot problems
  • Partition table issues
  • Human error
  • File size errors
If any of the above situations have occurred, we recommend you contact us immediately before you attempt any form of file recovery.

Things To Watch For
When you have an Exchange Server problem, there are certain things you should watch out for, and be careful of doing. First, you may want to use the Eseutil program, which can frequently fix errors in the Exchange database. Be careful during this process, as improper overwrites of the data can occur. As well, it is best to not reinstall Exchange until you have made proper backups of the .edb files. And, ensure you have also backed up these files if you attempt to restore from an older .edb file. These steps will ensure that your Exchange files are not damaged beyond repair.


Running Out of Disk Space

One of the most common problem we get calls on is transaction logs filling up hard drives and taking up disk space.

Information Stores are over 16gb Limit

Catostophic RAID Container Crash! Do not try to rebuild an Exchange Server which has already been running in a degraded mode!

Stop and call us Now! We can help immediately!

Toll Free 1-866-438-6932

Direct: 1-727-345-9665.

Call our Exchange Hotline 727-251-2058 24/7 - Initial Support Call Are No Charge. You Only Pay If An Engineer Must Remote In To Solve Your Exchange Issue.

Exchange Recovery Experts.


  Exchange Disaster Recovery after Hurricane
Exchange Disaster Recovery Hurricane Disaster Recovery Case Study

Scenario:

New Orleans accounting firm (requested anonymity) running Exchange 2000 Enterprise on a Dell Power Edge 4400 Server. EDB size 23GB aprox. 250 users.

The failure was at the RAID 5 level. The server shutdown and 2 out of 5 hard drives (78GB Seagate SCSI) failed. The Exchange server was backed up using Veritas and a Quantum tape library. The tapes were damaged by water.

The company is being temporarily housed by Regus in Houston.

Read The Resolutions


Posted by micstan on Friday, October 28 @ 10:29:54 UTC


  Transaction Logs as Backup
Installing or Upgrading Exchange support writes "Microsoft® Exchange Server transaction logging is a robust disaster recovery mechanism that is designed to reliably restore an Exchange database to a consistent state after any sudden stop of the database. The logging mechanism is also used when restoring online backups.

Before changes are actually made to an Exchange database file, Exchange writes the changes to a transaction log file. After a change has been safely logged, it can then be written to the database file.
It is common for changes to become available to end users just after the changes have been secured to the transaction log, but before they have been written to the database file. Exchange employs a sophisticated internal memory management system that is tuned for high performance. Physically writing out changes to the database file is a low-priority task during normal operation. Exchange can efficiently manage caching of more than a gigabyte of database pages. This cache includes pages read from the database to fulfill client requests, as well as changed pages that will eventually be written back to the database file.

Read More...."


Posted by micstan on Saturday, April 16 @ 18:01:02 UTC


  Hard Drive Recovery Tips
Data Recovery Secrets What is data recovery?

Well there are 3 types of recovery:
Logical Data Recovery - This type of recovery involves using software to recover deleted files, virus damage or damage to the operating system.
Non-Invasive Recovery - When the electronics on a drive fry for some reason or another and the hard drive doesn't have to go into the clean room, its non-invasive.
Invasive Data Recovery - If any of the interior parts fail, usually the heads, the drive has to be opened. Hard drives have to be opened in a clean room, if even the smallest speck of dust gets into the heads the platters can be damaged.

Read More...


Posted by micstan on Saturday, April 16 @ 17:32:38 UTC




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