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Information systems building

Directory and account data management

The core of the solution of access and Microsoft Corporation’s account data management is Active Directory. Active Directory is a wide available distributed directory supplied as a part of Windows Server. It serves as a central point of management and administration of users’ data accounts, authentication, policy and security principles, and the enterprise resources, such as computers, printers and servers.

Integrated server software Microsoft Windows Server System is designed for support of full-function solutions built on the basis of Windows Server operational systems. It allows to build infrastructure based on the concept of Microsoft Corporation about integrated innovations, holistic approach to the system building which makes it possible to simplify design, implementation and management due to needs and performance capabilities prediction.

The basis of Windows Server System includes Windows Server 2003 operational system which provides for core infrastructure and general services of the types listed below.

Due to deep integration with basic services of server platform and general architectural approach, Windows Server System provides for multi-purpose interrelated infrastructure which allows to reduce complicity and costs. It gives information technology specialists an opportunity to simplify design, management and operations developing high-performance informative business applications. And in the result Windows Server System helps IT organizations to increase investment effectiveness to support contacts between people, processes, data and business relations arranging for business promotion.

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Corporate mail system

In order to withstand the competition in modern business world, organizations need more and more effective means of interaction and joint activities. For the moment electronic mail is the most widespread technology of this sphere. Exchange Server is characterized by improved security, serviceability and reliability. This product allows specialists to receive access to important data almost from everywhere and at any time.

The latest technologies of Microsoft provide for improved scalability of Exchange servers, significantly simplify mail system management and contribute to reduction of aggregate ownership value. The Exchange fully realizes advantages of the latest operational system Microsoft Windows 2003 Server and supports Windows 2000 Server.

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Migration from previous versions

Due to improved technologies of Windows Server System production, migration from previous versions makes it possible to:

  • Considerably increase file and mail servers performance. In particular, Windows Server 2003 usually works two times faster than Windows 2000 Server;
  • To remove a restriction of the number of mail server users and to provide for more storage management flexibility working with several data bases at a time. The Exchange 2003 supports three times more users of one server than the Exchange 5.5;
  • To work with several copies of Microsoft SQL Server on one server;
  • To manage distribution of sessions of terminal sessions users in a more convenient way, flexible use of resources and support of customers’ components;
  • To reduce the number of physical servers, simultaneously increasing the return of new functional use, due to the possibility of authority delegation to administration and use of domain controller as centralized administrated storage in Active Directory.
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Clustering solutions

Clusterization is a well-known technology of computer systems scalability which is successfully used at solving different business tasks. A cluster is a group of separate servers the work of which is coordinated with the help of special software in such a way that all the customers connected to it consider that they deal with one computer. On the one hand, it simplifies complex information systems building (to address a cluster group from outside, the same means and methods as to a common server are applied) and allows to avoid unnecessary expenses on additional support programs. On the other hand, inner cluster group architecture invisible to customers can be very complex and scalable depending on environmental charge changes.

At different clustered applications and servers it is possible to conduct alternate updates. Due to the possibility of disconnection of one or more nodes, it is easier for technical support service to update hardware and software resources and reduce terms of scheduled downtime to the limit.

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Virtualization

Virtual Server 2005 R2 is an ideal instrument for servers consolidation in central and remote offices which allows to use the enterprise hardware resources most effectively. It increases the overall level of capacity and forces deployment of new servers discharging specialists of chores.

Using of virtual machines helps at testing of systems and applications update deployment, and during preparation of plans of the enterprise existing infrastructure changing which makes it possible to pattern physical nodes and applications in virtual media.

Technologies of virtualization provide for the following advantages:

  • capital investment reduction due to use of less number of services at simultaneous growth of their load factor;
  • reduction of operating costs resulting from reduction of the number of operations carried out by the data processing center and lowering of requirements to system management;
  • obsolete information media support which enables fast and economically sound moving and reactivating of legacy applications in systems with high availability.
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