IF NOT EXISTS (select [PrincipalID] from [dbo].[Principal] where [LoginName] = 'Internals')
	INSERT INTO [dbo].[Principal] ([Type], [DisplayName], [GroupId], [LoginName]) VALUES (1, N'Internals', NULL, N'Internals')

IF NOT EXISTS (select [PrincipalID] from [dbo].[Principal] where [LoginName] = 'Externals')
	INSERT INTO [dbo].[Principal] ([Type], [DisplayName], [GroupId], [LoginName]) VALUES (1, N'Externals', NULL, N'Externals')