Symptoms

1. Email notifications about backup status are not delivered.
2. Previously, you have uninstalled Acronis Management Server without removing logs and settings, and then reinstalled it.
3. When you open the Service Process log (C:\ProgramData\Acronis\ServiceProcess), you can see these errors in the log:
   | error 0x1350016: TOL: Failed to execute the command. Running Python script
   | line: 0x8d165e86fb819595
   |
   | error 0x23d0001: Failed to run Python script 'pyvfs:send_email?send_email'.
   | line: 0x202058661174692f
   |
   | error 0x1fa000a: DML report does not match the expectation about selected objects count.
   | line: 0xe466a6a15826b3c1
   |
   | error 0x1fa002d: Unexpected objects count is given by DML report: Expected count is 1 but actual count is 2.
   | line: 0xe466a6a15826b1d1

Cause

The issue is caused by duplicate entries of the old and the new management server instances.

Solution

The issue has been fixed in Acronis Backup 12 Update 3 (build 3689 or later), please update to the latest build.

Meanwhile, please reinstall Acronis Management Server with deleting its configuration:

1. Uninstall Acronis Backup marking the Remove the logs and configuration settings check box:
   
2. Make sure, the folder C:\ProgramData\Acronis is deleted. Otherwise, delete this folder manually.
3. Install Acronis Backup.