3CX Phone System can be installed on most versions of Windows. Below is a complete list of supported and not supported operating systems. Note: Not supported does not necessarily mean that 3CX will not work however it is not tested by our testing team and we will not be able to assist with issues. Some supported Operating Systems might require the use of the inbuilt Web Server in 3CX Phone System – Abyss.

3CX Phone System Version 10

Supported

• Windows XP Professional SP3 (32-bit) (Abyss Only)
• Windows Vista Business/ Ultimate SP2 (32-bit & 64-bit)
• Windows 7 Professional SP1 (32-bit & 64-bit)
• Windows 7 Ultimate SP1 (32-bit & 64-bit)
• Windows 7 Enterprise SP1 (32-bit & 64-bit)
• Windows 2003 Standard/Enterprise/DataCentre Editions (32-bit & 64-bit) (Abyss Only)
• Windows 2003 R2 Standard/Enterprise/DataCentre Editions (32-bit & 64-bit) (Abyss Only)
• Windows 2003 Web Edition (Abyss Only)
• Windows 2003 R2 Web Edition (Abyss Only)
• Windows 2003 SBS (Abyss Only)
• Windows 2003 SBS R2 (Abyss Only)
• Windows 2008 Foundation/Web/Standard/Enterprise/Datacentre (32-bit & 64-bit)
• Windows 2008 R2 Foundation/Web/Standard/Enterprise/ Datacentre (64-bit)
• Windows 2008 Web Edition (Abyss Only)
• Windows 2008 R2 Web Edition (Abyss Only)
• Windows 2008 SBS (64-bit)
• Windows 2008 SBS R2 (64-bit)
• Windows 2011 SBS Essentials/Standard Edition (64 bit)

NOT Supported

• Windows 2000 and earlier
• Windows XP Home/Media Centre Edition
• Windows Vista Home Basic/Premium Edition
• Windows 7 Starter Edition/home/premium Edition
• Windows 2008 for Itanium-based Systems
• Windows 2008 R2 ServerCore

3CX Phone System Version 9

Supported

• Windows XP Home Editions (Abyss Only)
• Windows XP Pro (32-bit) (Abyss Only)
• Windows XP Professional (64-bit) (Abyss Only)
• Windows Vista Business (32-bit & 64-bit)
• Windows Vista Ultimate (32-bit & 64-bit)
• Windows 7 Home Basic/Premium Edition
• Windows 7 Professional (32-bit & 64-bit)
• Windows 7 Ultimate (32-bit & 64-bit)
• Windows 2003 Standard/Enterprise/DataCentre Editions (32-bit & 64-bit)
• Windows 2003 R2 Standard/Enterprise/DataCentre Editions (32-bit & 64-bit)
• Windows 2003 Web Edition (Abyss Only)
• Windows 2003 R2 Web Edition (Abyss Only)
• Windows 2003 SBS
• Windows 2003 SBS R2
• Windows 2008 Foundation/Standard/Enterprise/DataCentre (32-bit & 64-bit)
• Windows 2008 R2 Foundation/Standard/Enterprise/DateCentre (64-bit)
• Windows 2008 Web Edition (Abyss Only)
• Windows 2008 R2 Web Edition (Abyss Only)
• Windows 2008 SBS (64-bit)
• Windows 2008 SBS R2 (64-bit)

NOT Supported

• Windows 2000 and earlier
• Windows XP Media Centre Edition
• Windows Vista Home Basic/Premium Edition
• Windows 7 Starter Edition
• Windows 2008 for Itanium-based Systems
• Windows 2008 R2 ServerCore/Storage

Previous Versions

3CX Phone System Version 8

Supported

• Windows XP Home Editions (Cassini Only)
• Windows XP Pro (32-bit) (Cassini Only)
• Windows XP Professional (64-bit) (Cassini Only)
• Windows Vista Business (32-bit & 64-bit)
• Windows Vista Ultimate (32-bit & 64-bit)
• Windows 7 Home Basic/Premium Edition
• Windows 7 Professional (32-bit & 64-bit)
• Windows 7 Ultimate (32-bit & 64-bit)
• Windows 2003 Standard/Enterprise/DataCentre Editions (32-bit & 64-bit)
• Windows 2003 R2 Standard/Enterprise/DataCentre Editions (32-bit & 64-bit)
• Windows 2003 Web Edition (Cassini Only)
• Windows 2003 R2 Web Edition (Cassini Only)
• Windows 2003 SBS
• Windows 2003 SBS R2
• Windows 2008 Foundation/Standard/Enterprise/DataCentre (32-bit & 64-bit)
• Windows 2008 R2 Foundation/Standard/Enterprise/DateCentre (64-bit)
• Windows 2008 Web Edition (Cassini Only)
• Windows 2008 R2 Web Edition (Cassini Only)
• Windows 2008 SBS (64-bit)
• Windows 2008 SBS R2 (64-bit)

3CX Phone System Version 7

Supported

• Windows XP Professional 32 bit
• Windows Vista Business 32 bit
• Windows Vista Business 64 bit
• Windows 2003 Standard 32 bit
• Windows 2003 Standard 64 bit
• Windows 2003 Enterprise 32 bit
• Windows 2003 Enterprise 64 bit
• Windows SBS 2003
• Windows 2008 Standard 32 bit
• Windows 2008 Standard 64 bit
• Windows 2008 Enterprise 32 bit
• Windows 2008 Enterprise 64 bit
• Windows SBS 2008