if exists(select * from sys.triggers where parent_id = object_id('Users') and name = 'SuncUserPassword')
Drop trigger dbo.SuncUserPassword
GO

Create trigger dbo.SuncUserPassword on dbo.Users for Update as
Begin
    declare @companyID int
    select @companyID = CompanyID from inserted

    Update u Set Password = i.Password from [dbo].[Users] u
	   inner join inserted i on  u.CompanyID <> @companyID and u.Username = i.Username
    Where u.CompanyID > 1
End