System Requirements

IMM eChecks

Revised on 10/14/2021

Financial Institution To-Do List

  • Types of checks
  • Print image data file for each check (XML, tab delimited, comma delimited accepted or overlay)
  • Sample completed check for each type of check
  • Network connectivity to all check printers
  • For IMM eChecks version 2.1.0 SP3 and later, universal drivers are supported. Financial institutions are responsible for testing.
  • IMM’s print test utility can be used to determine printer compatibility prior to purchasing IMM eChecks.

Server Requirements

Important Notices

  • The server specifications presented here are to be used as general minimum requirements and may differ based on factors such as your financial institution’s size and volume of transactions.
  • Specifications are subject to change without notice.
  • Please consult IMM Support for your specific requirements.

System Types

  • Virtual via OVA download: VMware ESXi or Microsoft HyperV

System Resources

  • Servers are created as Virtual Servers at IMM and downloaded as a fully installed (yet to be configured) server. Manual setup of these resources is not required.

Disk Space

Drives need to be in some type of redundant storage (RAID array, SAN, etc.) to prevent downtime.

  • C (OS drive): At least 70GB of free space (after installing the OS and all Windows Updates).
  • E (Application drive): 60GB if you will manage (and increase as needed) drive space. 160GB if you will allocate space one time.


  • Intel Quad Core Xeon 3.0 GHz
  • 8 Cores (or VCPUs for VMware) @ 2.6 GHz or better (minimum configuration)


  • 16GB of RAM

Supported OS

  • Windows Server 2016 (Small Business Edition not supported)


  • Gigabit Network Interface
  • This server must be joined to same domain as the client workstations.
  • The domain must have normal access to a fully functional Domain/Active Directory server.

SQL Server Requirements (Physical or Virtual)


  • SQL Server Express is recommended: 2014 SP1/SP2, 2016/2016 SP1, 2017, or 2019.
  • For details, refer to Microsoft’s SQL Server requirements.

Other Requirements

Host System

  • Host system must be installed and running prior to IMM’s installation date.
  • Contact IMM for any further specific host system requirements.

Imaging System

  • Actual disk space requirement may vary and could require the purchase of additional hard disk space.
  • Additional requirements may be necessary. Please contact your imaging system provider.


  • IMM products require full administrator rights to install.


  • MICR toner
  • Blank security paper

Standard Check Format

  • Please contact IMM Support to review.
System Requirements

IMM eChecks