Exchange Online eDiscovery PST Export tool Run error handling

Public cloud is already a trend, and more and more users have recently migrated their local mailboxes to Offfice 365 Exchange online, with more and more problems as many users compare all of the local Exchange features with Exchange online.

Recently, customers have mentioned 1 questions:

My users have migrated to Office365, I would like to keep some important users or leave the staff of the mail to local, how to achieve?

For this issue Office365 Exchange online can be implemented through Ediscovery mailbox search (in-place ediscovery), and the way to do this I'm not going to say much about it, you can refer to TechNet, In this I am mainly to tell you about the search out the data to save PST file to local error processing, the following is my click: Export to PST file button after the error:

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Office365 Exchange Online Export user mailbox data to local is done through the Ediscovery PST Export Tools tool, when clicked: Export to PST file button will be downloaded and automatically installed through the browser access to the download link of this tool In order to report the error is in the execution of the error.

The following are my troubleshooting procedures for this issue:

1. On another 1 servers win server R2 on the operation, found that can be normal execution, without any error, and on my Computer (WIN10) execution is normal. IE versions are all IE11
2. In the event that the problem occurs on this server, win server R2 (ie version is IE10), update IE for version 11, execute again or report the same error
3. Comparing the above tests, we found that the. net4.5 is installed on the win server R2 and Win10, and the. net3.5 is installed by default on this win server on the R2. NET version is too low
4. Install the. net4.5 version on Win server R2 (reboot required after installation), reboot the system after installation, test again, normal

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Summarize:

The EDiscovery PST Export tool needs to run in IE9 and later versions, and. NET requires 4.5 or higher to perform properly

Later through the online search, found that Microsoft has a KB for this issue, please refer to:

https://support.microsoft.com/en-us/kb/2919825

Exchange Online eDiscovery PST Export tool Run error handling