Microsoft

Microsoft 807-00036 BackOffice SBS 4.5 (Add-On 5-CAL)

Empower Your Small Business with Microsoft BackOffice SBS 4.5Microsoft BackOffice Small Business Server 4.5 is designed to meet the networking needs of small businesses with 50 or fewer workstations. Easy to install, manage, and use, this server solution provides improved productivity through sig...

$270.64*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Empower Your Small Business with Microsoft BackOffice SBS 4.5

Microsoft BackOffice Small Business Server 4.5 is designed to meet the networking needs of small businesses with 50 or fewer workstations. Easy to install, manage, and use, this server solution provides improved productivity through significant upgrades and a new set of tools tailored for technology providers.

Specifications

Product
Microsoft BackOffice SBS 4.5
License Type
Add-On 5-CAL
Brand
Microsoft

Pros & Cons

👍 Pros

  • Specifically designed as an Add-On for existing BackOffice SBS 4.5 installations, extending functionality.
  • Provides 5 additional Client Access Licenses (CALs), allowing more users to access server services.
  • Offers a cost-effective way to scale an existing Microsoft BackOffice Small Business Server environment.
  • Designed for use within a small business server ecosystem, providing integrated IT solutions.
  • Utilizes the established Microsoft BackOffice platform, known for its suite of business applications.

👎 Cons

  • This product is an older version, BackOffice SBS 4.5, which may have limited compatibility with modern hardware or software.
  • It functions as an "Add-On," meaning it requires a pre-existing base installation of BackOffice SBS 4.5 to be functional.
  • The software is specifically for 5 additional CALs, not a full server suite for new installations.
  • Microsoft BackOffice SBS 4.5 is likely no longer supported by current Microsoft updates or security patches.
  • Finding resources or support for an older platform like SBS 4.5 might be challenging.

Frequently Asked Questions

This product is an add-on license pack for Microsoft BackOffice Small Business Server version 4.5, providing 5 additional Client Access Licenses (CALs) for more users to connect to the server.
No, this is an "Add-On 5-CAL" pack, meaning it requires a pre-existing base installation of Microsoft BackOffice SBS 4.5 to be used. It does not provide the server software itself.
A CAL is a legal requirement that grants a user or device permission to access services on a server running Microsoft BackOffice SBS 4.5. This pack adds 5 more.
Microsoft BackOffice SBS 4.5 is an older generation software. Compatibility with current operating systems and server hardware is likely limited, and it may not support newer technologies.
The "Add-On 5-CAL" primarily expands the number of users who can legally access the existing features and services of your installed BackOffice SBS 4.5.