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Microsoft BackOffice Server 4.5 NT Competitive Upgrade 5-Client (Old Version)

Legacy Server Solution for Growing Businesses The Microsoft BackOffice Server 4.5 NT Competitive Upgrade (5-client) is a comprehensive suite of server applications designed to enhance productivity and collaboration within small to medium-sized businesses. This upgrade offers essential tools for m...

$2,242.99*
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*Price sourced from Amazon.com. Last updated:Oct 08, 2026.Price and availability are subject to change — details.

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Overview

Legacy Server Solution for Growing Businesses

The Microsoft BackOffice Server 4.5 NT Competitive Upgrade (5-client) is a comprehensive suite of server applications designed to enhance productivity and collaboration within small to medium-sized businesses. This upgrade offers essential tools for managing email, databases, and network services, empowering businesses to streamline their operations.

Key Features

  • Provides a suite of integrated server applications
  • Offers essential tools for email, database, and network management
  • Supports up to 5 client connections

Specifications

  • Product: BackOffice Server 4.5 NT Competitive Upgrade
  • Client Licenses: 5
  • Version: Old Version

Specifications

Product Type
Server Software
Version
4.5 NT
License Type
Competitive Upgrade
Client Access Licenses (CALs)
5-Client
Brand
Microsoft

Frequently Asked Questions

"Competitive Upgrade" typically means this software version is intended for users who already own a competing product and wish to switch to Microsoft BackOffice Server.
This specific version of Microsoft BackOffice Server 4.5 NT is designed to support 5 clients.
As an "Old Version" (4.5 NT), it is unlikely to be directly compatible or fully supported on modern Windows operating systems, potentially requiring older infrastructure.
While possible, using an "Old Version" like BackOffice Server 4.5 NT in a modern virtualized environment might present compatibility and driver challenges not explicitly addressed by the product features.
The provided information does not specify hardware requirements, but as an older server software, it would generally require server-grade hardware from its era for optimal performance.
Microsoft BackOffice Server 4.5 NT was historically used for integrated business functions such as email (Exchange), database (SQL Server), and network management in smaller to medium-sized businesses.

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