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The underlying connection was closed
Problem
This error may occur due to various reasons; one among them may be due to large items migration. Migration of those items need more time and there is a chance of destination connection being closed.
Solution
If you are authorized to control the server configurations
- Add bigger value to the connection timeout for incoming data transfers (Refer the below image for IIS. Set the value greater than 120).
- Increase the size limit which can be framed through the API.
To change the timeout value:
- Open the IIS manager (run -> inetmgr.exe).
- Browse the default website or the Exchange website on the left side pane.
- Right-click on Manage Website, then select Advanced Settings, expand limits. Increase the Connection Time-out for wich the default value is set to 120 seconds.
Try to perform migration again.
Related topics:
- How many mailboxes licenses are required for Public folder Migration?
- Difference between Personal, Corporate and Technical Edition
- Office 365 Backup Pricing
- MBOX Export and Migration Pricing
- NSF Export and Migration Pricing
- Outlook PST Recovery Pricing
- OST Recovery and Migration Pricing
- ErrorExceededConnectionCount
- Impact of Exchange throttling policy on EdbMails application
- The SMTP address has no mailbox associated with it
EdbMails Demo / Trial Version
Step 1. Download and install EdbMails
Step 2. Click the 'Start Your Free Trial' button
You have selected Personal Bundle license. Using this license, you can recover and export EDB files,
PST files and OST files to PST. For
Office 365 and Live Exchange Migration, choose the suitable plan.
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