You need to provide Windows credentials with administrator or at least backup operator rights to let Acronis True Image start a scheduled task

Why saving an image to a mapped drive may sometimes fail

Scheduled tasks do not run when SysMetrix is enabled

The Acronis Scheduler services and/or process malfunction

Please contact Acronis Customer Central to get a special build with the timeout increased

Start the Acronis Scheduler2 Service to fix the issue

This has already been fixed. Please update to the latest build

List of Acronis Backup & Recovery 10 services and processes

This article describes how to create a custom backup plan

This is a known issue. Do not run the validation task of a backup stored online if this may potentially interfere with other Acronis Backup & Recovery 10 tasks

Solving a problem with error code 1722 (RPC server is unavailable)

The user account, under which Acronis Managed Machine Service is running, has no Back up files and directories and Restore files and directories privileges

By analyzing schedreport.txt you can find out name and SID of the user who scheduled and ran the task, as well as the name and time and date of when the task was executed.

Sample of a successfully executed task

Acronis Backup & Recovery 10 tasks are incompatible with Acronis Backup 11.5


  1. You have a backup task running;
  2. The backup task is stopped or is canceled;
  3. The displayed status is Succeeded with warnings:


This is a known issue.


This will be redesigned in future.


It is recommended to use administrator credentials (user is better to have at least Backup Operators or Administrators membership) when you create a backup plan.

When you create a backup plan, the product by default sets the access credentials of the user under which you are currently logged in on the current machine or connect to a remote machine with Acronis Agent.

To set the credentials explicitly, you will need to click Show plan's credentials under Plan parameters:

This means that the backup task creation has failed due to an external factor. In the log, look for the lines preceding the error message to find out the cause

Delete the redundant task script using Schedmgr

Make sure you have the latest Virtual Appliance hardware and that you have no more than two disks

Do not run Acronis Managed Machine Service under Local System account: this account does not have permissions for network access

List of Acronis Backup & Recovery 11 services in Windows

Starting a task while backup script for this task is not created or missing, the task will fail with "Error While Opening Script File"

You cannot run two tasks at the same time. As a workaround, restart the product to see the task progress.

Depending on the product you have, select a section:

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

Ignore the message or make sure the backup task script file is not locked

Utility that allows you to manage scheduled tasks and collect reports in Acronis products