
You are performing the SAP installation or system copy activities using the SAP Software Provisioning tool. During the execution, below message prompted.
System Locale must be set to English – “en-US”. Current state: en-MY. See also SAP Note 362379 (Updated 2016-03-15)

Solution
The solution is taken from the SAP Note 362379 – Localized Windows & MUI Support for SAP Software on Windows.
This is specifically for Windows Server 2012, 2012 R2, 2016 and 2019 operating system.
Just proceed with the SAP installation or the system copy activities and once the execution has complete. Use below command to get the current system locate setting.
Get-WinSystemLocale
LCID Name DisplayName
---- ---- -----------
17417 en-MY English (Malaysia)
Then, use below command to set the default system locale.
Set-WinSystemLocale
For other Windows operating system version, please visit https://support.microsoft.com/en-us/help/2764405/how-to-automate-regional-and-language-settings-in-windows-vista-window.
Reference
- https://docs.microsoft.com/en-us/previous-versions//hh852118(v=technet.10)
- 362379 – Localized Windows & MUI Support for SAP Software on Windows
- https://support.microsoft.com/en-us/kb/2764405


