Check the article for all possible solutions

This article applies to:

• Acronis True Image Home 2010
• Acronis True Image Home 2010 Plus Pack
• Acronis True Image Home 2010 Netbook Edition
• Acronis Backup and Security 2010

Symptoms

1. You are trying to do a backup or recovery operation;
2. The operation fails with an error message similar to one of the following:

   Failed to back up file or folder.
   Specified file does not exist.
   Failed to activate Acronis Bootable Agent

      

Cause

There are several possible causes:

• You have a backup task that includes files or folders that have been deleted;
• You are backing up to a network share with incorrect credentials;
• You have a backup task that excludes files or folders that have been deleted:

  For example

  1. You create a backup task and under What to exclude, you provide C:\TextFiles\TextFile.txt:

     

  2. Later you delete the TextFile.txt or move it to a different location;
  3. Then you start the backup task;
  4. The backup task fails with an error message as specified in the Symptoms section of this article.
• The kernel.dat and/or ramdisk_merged.dat files have been removed or became corrupted or inaccessible. In this case you are most likely to receive the Failed to activate Acronis Bootable Agent message. 

Solution

• Make sure the file or folder that the product is scheduled to back up still exists;
• If you are backing up files or folders on a network share, make sure you have set the access credentials:
  • Having selected the shared folder or files in the shared folder to back up, click Set credentials:

    

  • Type in the access credentials and click OK:

    

    These are the same credentials that you would normally use to access the share in Windows

• If you have a backup task that includes or excludes some files or folders that have been deleted, moved or renamed, recreate the backup task;
• Check if the kernel.dat and/or ramdisk_merged.dat files exist:

  Windows 32 bit: \Program Files\Common Files\Acronis\TrueImageHome\kernel.dat
  Windows 64 bit: \Program Files (x86)\Common Files\Acronis\TrueImageHome\kernel.dat

  Windows 32 bit: \Program Files\Common Files\Acronis\TrueImageHome\ramdisk_merged.dat
  Windows 64 bit: \Program Files (x86)\Common Files\Acronis\TrueImageHome\ramdisk_merged.dat

  If the files are removed or you suspect that they have become corrupted, please run the product's installation file and Repair it:

  

  

  Make sure you are running the latest installation file, and not an outdated version. See Downloading an Installation File of Acronis Software.

More information

See also Backup to a Network Share Fails Due to Connection Failure