Prevent MAPI services from being added

By default, any MAPI service can be added to a user profile as an Outlook account. This setting allows you to prevent users from adding a specific MAPI services on the list of services. To prevent adding a MAPI service, append the name of the service to the list of services stored in this setting, separated by from a previous name by a semi-colon (;). For example, if you wanted to prevent adding the Outlook Mobile Service and Live Meeting Transport, you would configure this setting "MSOMS;LiveMeeting".

Supported on: At least Windows 7
Enter MAPI services to disable (semi-colon delimited)

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\15.0\outlook\options
Value Namedisablecreateservices
Value TypeREG_SZ
Default Value

outlk15.admx

Administrative Templates (Computers)

Administrative Templates (Users)