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The following are the minimum system requirements for FlexRipProof 12.1. Exceeding these requirements will in most cases lead to a performance increase. Running FlexRipProof on a system that does not meet these requirements is not supported.

These are the system requirements for the FlexRipProof output flavors, that deliver proof output to file, for example the /PS, /PDF, /RTL and /GDI outputs.

Minimum requirements

Minimum System Requirements for FlexRipProof 12.1.x
Processor type and speed

x86 (32-bit) or x64 (64-bit) compatible dual-core processor (Intel or AMD), minimum dual-core.


Minimum 4GB RAM + 2GB per additional dispatcher.

For more info about memory limitations in Windows operating systems, please consult this table.

Available hard drive space

  • System drive:
  • Data drive:
An NTFS volume is required. The software needs 50GB of disk space for installation. Also take into account the need for storage of temporary and production data. Recommended minimum 200GB. A backup solution is strongly advised.
Graphics card and video driversMinimum 1280 x 1024 resolution, true color depth.
Network connection10/100/1000 Base-T Ethernet, TCP/IP v4 protocol, TCP/IP v6 protocol is not supported.
VirtualizationVMware ESX (version 3, 3.5, 4, 4.1 and 5) and Microsoft Hyper-V are supported.
Note that hardware connections, including dongles, proofers, spectrophotometers and others may work, but are not supported. Customers should verify hardware support through their virtualization support channels.
Known issue:
When you run software (with a local license server) on a virtual machine, the Esko license server (a process called “esko.exe”) might take up 100% of one of the virtual processors. This problem has been escalated to the third-party who provides the licensing engine, but currently we can only offer 2 workarounds:
 - Reboot the virtual machine if this problem occurs.
 - Move your Esko license server to another (and preferably physical) machine.
File serversAll Esko applications running on Windows OS can use data that is available on network shares. These shares need to be on Windows or Unix/Linux (using SMB) file servers. We recommend to use Windows Server 2003 or Windows Server 2008 as file server. Mac OS X (version 10.5.x; 10.6.x, 10.7.x) data servers are also supported, but with limitations. These are standard limitations encountered when connecting to a Mac OS X server from Windows workstations or servers. They are related to losing resource forks of the MAC-application data when a Windows component moves or copies data.
Supported ProofersCheck here or contact your local Esko sales representatives.

Supported Operating Systems

Recommended operating systems are highlighted in green in the tables below.

If an operating system is not listed in the tables below, it is not supported. Do not try to install FlexRipProof on a computer running an unsupported operating system.

 From 12.1.1 onwards, FlexRipProof is also supported on Windows 8 and Windows Server 2012.

Windows Server 2008 R2

Windows Server 2008 R2 Standard(tick)(tick)
Windows Server 2008 R2 Enterprise(tick)(tick)
Windows Server 2008 R2 Datacenter(tick)(tick)
Windows Small Business Server 2008(error)(error)
Windows Server 2008 R2 Foundation(error)(error)
Windows Web Server 2008 R2(error)(error)
Windows Server 2008 R2 HPC Edition(error)(error)

The Windows Server 2008 R2 32-bit editions are not supported. 

Windows Server 2008

  SP2 SP2
Windows Server 2008 Standard(tick)(tick)(tick)(tick)
Windows Server 2008 Enterprise(tick)(tick)(tick)(tick)
Windows Server 2008 Datacenter(tick)(tick)(tick)(tick)
Windows Small Business Server 2008(error)(error)(error)(error)
Windows Web Server 2008(error)(error)(error)(error)
Windows Server 2008 HPC Edition(error)(error)(error)(error)

Windows Server 2003


Windows Server 2003 Standard(error)(tick)(tick)
Windows Server 2003 Enterprise(error)(tick)(tick)
Windows Server 2003 Datacenter(error)(tick)(tick)
Windows Server 2003 R2 StandardN/A(tick)(tick)
Windows Server 2003 R2 EnterpriseN/A(tick)(tick)
Windows Server 2003 R2 DatacenterN/A(tick)(tick)
Windows Small Business Server 2003(error)(error)(error)
Windows Server 2003 Web(error)(error)(error)

The Windows Server 2003 64-bit editions are not supported. 

Windows 7

  SP1 SP1
Windows 7 Home Basic(error)(error)(error)(error)
Windows 7 Home Premium(error)(error)(error)(error)
Windows 7 Professional(tick)(tick)(tick)(tick)
Windows 7 Enterprise(tick)(tick)(tick)(tick)
Windows 7 Ultimate(tick)(tick)(tick)(tick)

Windows XP

Home Edition(error)(error)(error)(error)
Professional Edition




The Windows XP 64-bit editions are not supported.

Unsupported Operating Systems

  • Windows 2000
  • Windows Vista
System Requirements
Applies to


Last revised 11-Jun-2014