Identity & Access Management is an expensive investment in IT. Here are some tips to reduce Total Cost of Ownership:
In TCO, hardware is the smallest portion, support is the largest portion, and software is in the middle. Currently, Microsoft MIIS is the lowest cost solution for identity lifecycle management service and Microsoft CA is the lowest cost solution for certificate service.
*Note: Microsoft has a new IT service offering called Microsoft Managed Solutions. This is different from Microsoft Consulting Service.