Issue | Knowledge Base

Acronis Product Fails to Back Up to an External Hard Disk with a "File I/O error" Message

Created - Nov 17, 2009; Updated - Nov 18, 2009; Access Level - Public

Try reducing the HDD writing speed to 80% or less to work around the issue

Created - Nov 16, 2009; Updated - Nov 18, 2009; Access Level - Public

Deduplication is either not installed on the machine or there is not license for it in the Acronis License Server

Created - Nov 16, 2009; Updated - Nov 16, 2009; Access Level - Public

Instructions on how to solve the issue

Created - Nov 13, 2009; Updated - Nov 16, 2009; Access Level - Public

Create two separate tasks if you are planning to back up local and network folders

Created - Nov 11, 2009; Updated - Nov 20, 2009; Access Level - Public

List of known issues and basic instructions on how to troubleshoot issues with Wake-on-LAN and Acronis Backup & Recovery 10

Created - Nov 10, 2009; Updated - Nov 16, 2009; Access Level - Public

List of possible causes and workarounds

Created - Nov 3, 2009; Updated - Nov 12, 2009; Access Level - Public

This article applies to:

Created - Oct 28, 2009; Updated - Nov 2, 2009; Access Level - Public

This is a Microsoft Exchange Server issue

Created - Oct 28, 2009; Updated - Nov 20, 2009; Access Level - Public

Computer may fail to start on Wake-on-LAN after a hard shutdown

Created - Oct 26, 2009; Updated - Nov 2, 2009; Access Level - Public

The issue may occur after installing Acronis True Image Home 2010 over a previous version