Current Active Builds As of May 2020
Upgrade Paths
OS support



MITEL/SHOREWARE BUILDS
Mitel Connect Build 22.11.9300.0
Upgrade Paths:
ShoreTel 13 or 13.x (all builds) to ShoreTel Connect
ShoreTel 14 or 14.x (all builds) to ShoreTel Connect ONSITE

OS Support:
ShoreTel Main and Distributed Servers (Standalone, VMware and Hyper-V)
Windows Server 2016 support for HQ, Remote DVS) and UC30 beginning Build 21.82.9630.0 (R1704 SP1)
Windows Server 2012 R2 (Standard or Datacenter Editions only) (64-bit version)
Windows Server 2008 R2 (Enterprise or Standard Editions only) (64-bit version)
Microsoft Hyper-V Gen 2

ShoreTel Linux Distributed Servers (VMware)
VMware ESXi 6.0 & 6.5
VMXNet3 Virtual adapter not the E1000
Microsoft Hyper-V Gen 2

ShoreTel supplied SBE / Distributed Servers (Branch Office Bundles)
Windows Server 2012 R2 Embedded Edition (64-bit version)
Windows 2008 R2 SP2 Embedded Edition (64-bit version)
SBE 100 UC Server 20 and Windows 2008 R2 Embedded OS
SBE 100 UC Server 25 and Windows 2012 R2 Embedded OS


ShoreTel 14.2 Build 19.50.1000.0
Upgrade Paths:
ShoreTel 12/12.1/12.2/12.3 all CR/GA builds
ShoreTel 13 all CR builds
ShoreTel 14 all CR builds
ShoreTel 14.1 all GA builds

OS Support:
Windows Server 2012 (Standard or Datacenter Editions only) (64-bit version)
Windows Server 2012 R2 (Standard or Datacenter Editions only) (64-bit version)
Windows Server 2008 (Enterprise or Standard Editions only) with SP2 (32-bit version)
Windows Server 2008 R2 (Enterprise or Standard Editions only) (64-bit version)
Windows Server 2008 R2 (Enterprise or Standard Editions only) with SP1 (64-bit version)
Windows Server 2016 support for HQ, Remote DVS) and UC30
(beginning BUILD 19.49.7200.0+)

ShoreTel 13.3 Build 18.63.7500.0
Upgrade Paths:
ShoreTel 11/11.1/11.2 all CR/GA builds
ShoreTel 12/12.1/12.2/12.3 all CR/GA builds
ShoreTel 13/13.1/13.2 all CR/GA builds

OS Support:
Windows Server 2008 (Enterprise or Standard Editions only) with SP2 (32-bit version)
Windows Server 2008 R2 (Enterprise or Standard Editions only) (64-bit version)
Windows Server 2008 R2 (Enterprise or Standard Editions only) with SP1 (64-bit version)




CONTACT CENTER (ECC) (SCCC)
ShoreTel Connect Contact Center 508.10.3320.0
Upgrade Paths:
ECC9 (all GA builds) to ShoreTel Connect Contact Center
OS Support:
Microsoft Windows Server 2012 R2, 64-bit, Standard & Data Center
Microsoft Windows Server 2008 R2, 64-bit, Standard & Data Center (SP1)
VMWare vSphere ESXi 5.5
VMWare vSphere ESXi 6.0
Microsoft Hyper-V Gen2 (Supported on SCCC Server but not IVR Distribution Server Station)


Contact Center 9 Build 506.9.2400.0
Upgrade Paths:
ECC9 (all GA builds) > MCCC
OS Support:
Microsoft Windows Server 2016, 64-bit Standard & Datacenter
Microsoft Windows Server 2012 R2, 64-bit, Standard & Data Center
Microsoft Windows Server 2008 R2, 64-bit, Standard & Data Center (SP1)


VMWARE AND HYPER-V:
VMWare vSphere 6.0, and 6.5 with the following guest operating systems:
Microsoft Windows Server 2016, 64-bit Standard & Datacenter
Microsoft Windows Server 2012 R2, 64-bit, Standard & Data Center
Microsoft Windows Server 2008 R2, 64-bit, Standard & Data Center (SP1)


Microsoft Hyper-V 2012 R2 Windows Server 2012 R2 Generation 1 and Generation 2 with the following
guest operating systems:

Microsoft Windows Server 2012 R2, 64-bit, Standard & Data Center

Contact Center 8 Build 505.10.1603.0
Upgrade Paths:
ShoreTel IPBX Version 12.3 or later is required & ECC6 (503.3.5406.0 and higher builds) ECC7 or ECC8
OS Support:
Microsoft Windows Server 2012 Standard & Data Center
Microsoft Windows Server 2008 Standard & Enterprise (SP2)
Microsoft Windows Server 2008 R2 64bit (without & with SP1)
Microsoft Windows Server 2003 R2 Standard & Enterprise (SP2)
VMware ESX/ESXi 4.1 (with Windows Server 2008 only)
VMware ESX/ESXi 5.0/5.1 (with Windows Server 2008 only)



Contact Center 7 Build 504.8.6801.0
Upgrade Paths:
ShoreTel IPBX Version 11.2 or later & ShoreTel Contact Center 5.1 is the minimum version required
OS Support:
Microsoft Windows Server 2008 Standard & Enterprise (SP1 & SP2)
Microsoft Windows Server 2008 R2 64bit (without & with SP1)
Microsoft Windows Server 2003 Standard & Enterprise (SP1 & SP2)
Microsoft Windows Server 2003 R2 Standard & Enterprise (SP2)
VMware ESX/ESXi 4.0/4.1 (with Windows Server 2008 only)
VMware ESX/ESXi 5.0 (with Windows Server 2008 only)



Mobility Router
Mitel Connect Mobility Router 9.5.1910.102

Mobility 8.0 Build 8.1.10.107




Discontinued Builds
All releases that are not listed are considered discontinued
ShoreTel 13 is in Controlled Release
ShoreTel 14 is in Controlled Release

The list above is intended to be informational and represent the versions and builds of software that are generally available. All topics related to this subject that pre date this post have been removed. Higher build #s do exist but they are not in the list of generally available builds to all customers.