• 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.

• Intel Quad Core Xeon (recommended) or comparable
• A backup mechanism
• A dedicated IMM eSignPlus Server (staged for installation)
• Volume Partitions (Required)
  C (OS drive): At least 70GB of free space after the installing the operating system (OS) and all Windows updates.
  E (Application drive): 100GB to allocate space one time.

CPU

• Under 100 Users: 4 Cores (or VCPUs for VMware) @ 3.0 GHz or faster
• Over 100 Users: 8 Cores (or VCPUs for VMware) @ 3.0 GHz or faster

Memory

• Under 100 Users: 16GB RAM
• Over 100 Users: 32GB RAM

Supported OS

• Windows Server 2012 R2, 2016, and 2019 (Standard)
• Windows Server 2022 is supported with eSign 2022 only.

Software

• .Net Framework 4.7.1 or later
• IIS

Additional Requirements

• Gigabit Network Interface
• An SSL certificate must be issued to your fully qualified domain name. The SSL certificate must be purchased from an external provider such as GoDaddy or Verisign. Self-certified SSL certificates are not supported.
• This server must be joined to the same domain as the client workstations.
• The domain must have normal access to a fully functional Domain/Active Directory server.

CPU

• Under 100 Users: 4 Cores (or VCPUs for VMware) @ 3.0 GHz or faster
• 100 to 500 Users: 8 Cores (or VCPUs for VMware) @ 3.0 GHz or faster
• Over 500 Users: 16 Cores (or VCPUs for VMware) @ 3.0 GHz or faster

Memory

• Under 100 Users: 16GB RAM
• 100 to 500 Users: 32GB RAM
• Over 500 Users: 64GB RAM

Dedicated SQL Server

• SQL Server Standard 2014 SP2, 2016 SP2, 2017, 2019

Supported OS

• Refer to Microsoft’s OS requirements based on your SQL version:
  https://docs.microsoft.com/en-us/troubleshoot/sql/general/sql-server-windows-8-later-versions

• VMware ESXi host 6.7
• IMM VM must meet hardware and software specs above
• ESXi host must have adequate resources for all VMs

General

• Intel Dual Core 3.0GHz, 4GB RAM
• 20GB+ free disk space
• Display resolution 1280 x 960 minimum
• Connectivity to server (IMM eSignPlus Server)

Signing Devices ^{1, 2, 3}

• iPad (iOS 14 or newer)⁴
• Topaz GemView Devices⁵
• Topaz LCD Signature Pads
• Verifast Devices⁶
• Wacom Devices⁵
• Windows Touch-Enabled Devices (Windows Pro Tablets)

Attachment Scanning

• ScanShell 3100D
• Canon P-215/P-215 II
• TWAIN scanner drivers are supported. Financial institutions are responsible for testing.

Supported Cameras ^{7, 8}

• Microsoft LifeCam
• Windows 10 Built-In Cameras

• Windows 11 and Windows 10 (Professional or Enterprise)

• Google Chrome⁹
• Microsoft Edge⁹
• Mozilla Firefox⁹
• Internet Explorer Mode in Microsoft Edge (Supported, Not Recommended) ¹⁰

• .Net Framework 4.7.1 or later
• Adobe Acrobat Reader is required for Internet Explorer mode in Microsoft Edge. Refer to the Compatibility Chart: https://www.immonline.com/support/adobe-reader-compatibility/.
• For all other web browsers, Adobe Acrobat Reader is not required.

Server

• Citrix Virtual Apps and Desktops 7 2003 and 7 2203

Client

• Via RDP: Thick client or WYSE Terminal running Windows Embedded OS Terminals
• Via Citrix Receiver: Thick client or WYSE Terminal running Windows Embedded OS Terminals (Desktop sharing only)
• Citrix Receiver on either thick client or XenDesktop device
• Signatures supported with Citrix or Windows CDS (Citrix Device Service) only

• Server: VMware Horizon 7.12 and 8 2203
• Client: VMware Horizon on either thick client or a VMware Horizon device