Scripted install via the Backup_Agent_for_Windows_web.exe installer
We would like to deploy Acronis agents via our RMM. The MSI method of installation requires the MSI and all the neccessary .CAB files to be first uploaded into the same folder. We would prefer a more streamlined deployment method and so the 13MB web installer seems like the best choice.
From our experience in using the web installer, the EXE downloads the MSI and the necessary CAB files to the C:\Users\username\AppData\Local\TEMP folder and then installs the software. If we run Backup_Agent_for_Windows_web.exe with the '--help' parameter then all the commandline options are shown - including the parameter for silent install. When we run the installer with the following parameters, the install fails.
Backup_Agent_for_Windows_web.exe --quiet --add-components=agentForWindows,commandLine,trayMonitor --reg-token==XXXX-XXXX-XXXX --agent-account=system
The error in the install log is:
1: [15:11:56:837]: PrepareUsers: an error has been thrown:
Error 0x450001: User for 'MMS' service is not specified. Specify 'MMS_SERVICE_USERNAME' and 'MMS_SERVICE_PASSWORD' to install the service on domain controller.
| line: 0x12171f3d4a7b3c9
| file: e:\594\inst_supp\msi_supp\custom_actions\users_and_groups\lib\impl\user_operations.cpp:113
| function: UsersAndGroups::PrepareUser::Execute
| $module: custom_actions_msp_vsa64_s_15300
I don't see a parameter for the "MMS" account, only the agent account, which I specified as 'system'. Any ideas on how to resolve this?

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I found that I needed to specify an account for the "--agent-account" parameter and it worked. Here is the command that I ultimately used:
Backup_Agent_for_Windows_web.exe --quiet --add-components=agentForWindows,commandLine,trayMonitor --reg-address=us5-cloud.acronis.com --reg-token=XXXX-XXXX-XXXX --agent-account=domain\username:password
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Brian, thank you for the update\feedback on this topic!
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