How To Ward Off Error Message That Appears While Using Exchange Recovery Mode?

by Rohit Khurana on October 24, 2011


A feature named as Cached Exchange Mode has been introduced in Microsoft Outlook 2003 and newer versions of Outlook. This new feature offers many functions to perform the synchronization and operations related to offline efficiently and conveniently. If there is an inconsistency between the Exchange mailbox and the Outlook OST file, and using Outlook 2003 and newer versions but disabled Cached Exchange Mode, and has selected to work online, then a new Outlook OST file will be created for the new mailbox. The old OST file remains undeleted, but the data cannot be accessed. On the other hand side, in case of available mailbox again, data of old OST file can be accessed easily whereas data of new Outlook OST file become inaccessible again. Well, in order to overcome such situation, the best solution is to convert OST to PST through third party tool.

MS Outlook 2010

Following warning error message appears on the screen in Microsoft Outlook 2003 and any other version of Outlook if the cached Exchange mode is enabled. Exchange mailbox is reset or inconsistent:

Exchange is currently in recovery mode. You can either connect to your Exchange server using the network, work offline, or cancel this logon.”

It is clear from the error message itself that Microsoft Outlook and Microsoft Exchange are currently in recovery mode.

Exchange Recovery mode offers two options. Both of these two options are given below:

  • Offline mode: Selection of Work Offline option helps you to access the Outlook data in old Outlook OST file, but not the Exchange Server. In offline mode, old OST file is still accessible.
  • Online mode: Selection of Connect option permits you to access the Exchange Server, but not to the old Outlook OST file. Data in the Outlook old OST file can be accessed if you close Outlook application and again start in Offline mode.

Therefore, through different options old OST file or new mailbox on the Exchange Server can be accessed selectively.


Exchange Recovery mode allows to convert OST to PST so that migration of data to the new Exchange mailbox can be done effectively.

If later the availability of old Exchange mailbox linked with the old OST file is there, then through the selection of Connect, Exchange Recovery mode can be exit automatically.

On the other hand side, unavailability of mailbox permanently because of Outlook OST files corruption, then it is advised to close Exchange Recovery mode and to work normally again:

1. Exit MS-Outlook and all other applications that may access the old Outlook OST file.

2. Search for the old Outlook OST file.

3. Recover the offline data in the old OST file.

4. Backup the old Outlook OST file.

5. Switch off the Cached Exchange Mode through the below stated steps:

5.1) Open Microsoft Outlook.

5.2) From the Tools menu, select E-mail Accounts, select View or change

existing e-mail accounts, and then select Next.

5.3) From the Outlook processes e-mail for these accounts in the following

order list, select the Exchange Server e-mail account, and then select


5.4) In the Microsoft Exchange Server, select to clear the Use Cached

Exchange Mode check box.

5.5) Close Microsoft Outlook.

6. Change the name or remove the old Outlook OST file.

7. Switch on the Cached Exchange Mode.

8. Build a new Outlook OST file again.

9. Import the data recovered in Step 3.

However, if the problem still persists even after the use of above steps, then it is advised to opt for a third party OST to PST converter tool. The main job of such third party tools is to perform conversion on their own. Ample of third party software are available. You just have to make a search over on Internet. These tools have read-only nature, well described procedures, and have effective conversion abilities. A facility of free demo version of the software has been provided along with every tool that gives an overall idea about the tool.

About the Author:

Author of this post, Luis Bob is a technical writer and an active blogger who writes about various data recovery topics such as how to convert OST to PST file and how to recover Exchange mailbox from damaged MS Exchange Server ?

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