.NET Framework

ERPConnect (without LINQ to ERP) consists of three .NET assemblies, that target different frameworks:

  • ERPConnect35.dll (targets .NET Framework 3.5 SP1)
  • ERPConnect45.dll (targets .NET Framework 4.5.2)
  • ERPConnectStandard20.dll (targets .NET Standard 2.0)

That results in the following compatibility matrix:

  ERPConnectStandard20.dll ERPConnect45.dll ERPConnect35.dll
.NET Framework 3.5 SP1     X
.NET Framework 4.0     X
.NET Framework 4.5     X
.NET Framework 4.5.1     X
.NET Framework 4.5.2   X X
.NET Framework 4.6   X X
.NET Framework 4.6.1 and newer X X X
.NET Core 2.0 and newer X X X
Universal Windows Platform 10.0.16299 and newer X    

SAP Releases

  • SAP R/3 Version 4.0B and later versions
  • SAP ECC 6.0 or later
  • SAP NW 7.0 or later
  • Business All-in-One
  • SAP BW Version 3.1 and later.

SAP Business One and SAP Objects are not supported

Component SAP Release Requirements to the SAP system
Table Rel. above 4.0B Nothing.
Query Rel. above 4.0B Nothing.
BAPI Rel. above 4.0B Nothing.
BW Cube Rel. above BW 3.1 Nothing.

Operating Systems

  • Windows 10
  • Windows Server 2019
  • Windows 8.1 (until 10.01.2023)
  • Windows 7 SP1 (until 14.01.2020)
  • Windows Server 2016 (until 12.01.2027)
  • Windows Server 2012 R2 (until 10.10.2023)
  • Windows Server 2012 (until 10.10.2023)
  • Windows Server 2008 R2 SP1 (until 14.01.2020)
  • Windows Server 2008 SP2 (until 14.01.2020)

Visual Studio

  • Visual Studio 2017
  • Visual Studio 2015 (until 14.10.2025)
  • Visual Studio 2013 (until 09.04.2024)
  • Visual Studio 2012 Update 5 (until 10.01.2023)
  • Visual Studio 2010 (until 14.07.2020)

  • Caution: Visual Studio Express versions don’t support the LINQ to ERP Designer.

Other Applications and Frameworks


  • 2 GB or more recommended (depends on actual use case)

Disk Space

  • About 12 MB disk space are required for a full installation.

32/64-Bit Environment

  • Both x86 and x64 platforms are supported.

Security Settings

  • For logging on to SAP, a system or dialog user with appropriate authority objects is required.
  • Plain authentication (user/password), Secure Network Communications (SNC) with and without Single Sign-On (SSO) and SAP Logon Tickets (MYSAPSSO2) are supported.

Network Settings

Ports need to be opened depending on the technique how the connection to an SAP System is made. Details can be found here.