Windows Server 2003
Windows Server 2008
- Active Directory
- File Server
- Print Server
- Fax Server
- Web application server (IIS, ASP.NET)
- Terminal server
- Remote access/VPN server
- DNS server
- DHCP server

Advantages of using Microsoft Windows Server service:

- Increase of user efficiency within the organization
- Reduction in maintenance costs, and facilitating the administration
- Enhancing tolerance for failure to reduce the time lag
- Improving security within the organization, in order to careless operation.
- The basis for the introduction of Active Directory-based applications.

System Center Configuration Manager (formerly Systems Management Server)
Managing a large group of Windows-based computers, Configuration Manager
allows remote control of computers, patch management, software distribution and client computers, automated deployment of operating systems within the network, hardware and software inventory.

Microsoft Internet Security & Acceleration Server presents:

• Internet firewall
• proxy server (web cache)

Microsoft ISA Server is also a solution that is able to carry out detailed investigation into the use of the internet.
And also:

• Support for Virtual Private Networking
• Integration with Active Directory
• Early detection of potential intrusions
• Secure NAT
• Allocation of the transmission belt and QoS
• Secure Server Publishing
• Enterprise Management
• Monitoring and Report generation

Exchange Server is designed for professional users who are using IT technologies in their business (business directly depends on a number of employees and their communication by e-mail, IP telephony, fax, etc.).
It is also intended for users who are looking for efficiency, speed, availability and reliability in their operations.
The installation of Exchange 2007 Server can be achieved:
Increasing the capacity of servers, improves the availability, increases security, simplifies installation and administration, e-mail becomes general available, enables unification messaging service and support for a large number of mailboxes.
Exchange Server 2007 provides integrated antivirus and anti-spam protection for customers already on the purchase, the obligation of the Exchange Server 2007 Enterprise is Filtering Hosted Exchange and Forefront Security.
Exchange Server 2007 also provides part of the security and user, in case of accidental deletion of mails. Significantly increased security for wireless access to Exchange Server 2007

Unified Messaging role

Represents the integration of different modes of communication (e-mail, SMS, fax, voice, video, etc.) in a single place accessible to different devices. Designed for professional end-users and already existing infrastructure such as CRM, SAP, Exchange etc. The main benefits:
Support for E-mail, calendar, contacts and tasks, support for access to mobile devices and web access to information, support for data storage.