Prevent adding non-default Exchange accounts

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\exchange

Value name: disablemultipleexchange

Enabled: disablemultipleexchange = 1

Disabled: disablemultipleexchange = 0

Description

This policy allows you to prevent users from adding non-default Exchange accounts to existing Outlook profiles. If you enable this policy setting, you will prevent users from adding non-default Exchange accounts via the Add New E-mail Account wizard. If you disable or do not configure this policy setting, users can add non-default Exchange accounts to existing Outlook profiles.