Disable user from setting personal site as default location

Checked: User is not able to define the default location to the personal site. | Unchecked: Default location is not restricted.

Supported on: At least Windows 7
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\common\portal
Value Namedisablesetpersonalsite
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

office16.admx

Administrative Templates (Computers)

Administrative Templates (Users)