CA4K Architecture and Installation Reference Guide

Date Added: 11/11/16

CA4K Architecture and Installation Reference Guide - Rev B Jan 2019

Moving CA4K Databases to a New Computer

Date Added: 7/29/20

Moving CA4K Databases to a New Computer - Rev A

Unable to Load SQL on a Domain Controller. Errors of Access Denied for the Installation and other errors of Permissions.

Date Added: 2/8/24

Procedure for integrating a PL Series Lock into CA4K, MVP Access, Air Access or Legacy CA3000

Date Added: 11/26/24

Procedure for integrating a PL6200, PL6600, PL8200, PL8600 into CA4K, MVP Access, Air Access or Legacy CA3000 system.

Integrating a PDL/DL and ET Networx Locks into CA4K, MVP Access, Air Access or Legacy CA3000 Systems

Date Added: 11/26/24

Procedure for integrating PDL/DL and ET Networx Locks into CA4K, MVP Access, Air Access or Legacy CA3000 systems.

CA4K SQL Server Naming

Date Added: 3/11/25

CA4K Installation Troubleshooting for Workgroup and Domain Environments

Date Added: 3/11/25

CA4K V1.2.3.176 - Released (Full Version - LATEST)

Date Added: 6/10/25

Click here to see whats new in CA4K 1.2.3.176

Important:  CA4K v1.2.3.176 is downloaded as an ISO file. Please follow the steps below to mount the ISO file and begin the installation

How to Mount an ISO File on a Windows Desktop: 

1. Locate the ISO File:
• Open File Explorer and navigate to the folder where your ISO file was downloaded.  This is normally the "Downloads," folder.  
2. Mount the ISO File:
• Double-Click Method: Simply double-click the ISO file. This will automatically mount the file and create a virtual drive.
• Right-Click Method: Right-click on the ISO file and select the "Mount" option from the context menu.
• Ribbon Menu Method: Select the ISO file, then click the "Mount" option in the File Explorer ribbon at the top.
3. Open the Mounted ISO:
• Once mounted, the ISO file will appear as a new drive under "This PC" in File Explorer. You can access its contents just like you would with any other drive.
• To begin install, open newly mounted *.ISO drive and right-click Launch.exe and select “Run as Administrator.”

How to Unmount the ISO File:

• When you're done, right-click the virtual drive and select "Eject" to unmount the ISO file.

--> Prior to installation please refer to the full installation documents inlcluding the System Requirements. 

Click here to download the latest v1.2.x Installation Documents

Software License Fee. The usage of CA4K software requires a valid license, which is not included in this download. You can purchase a license or obtain a trial license separately, through our sales department or through your Napco Access Pro Sales Representative. For pricing on the one-time license fee, please reach out to our sales department or your designated sales representative (Contact Us :: Napco Access Pro). Once the fee is paid, it is non-refundable, and you will receive a perpetual, non-transferable, non-exclusive license to use the software, as per our license agreement terms and conditions. No additional payments are necessary for continued use of the software, moving CA4K from one PC to another, or for service packs related to the specific version that is licensed. However, please note that this license is not upgradable and can only be used for the version purchased.   

CA4K 1.2.x Quick Start Programming Guide

Date Added: 6/12/24

This document provides a step-by-step procedure of programming a basic CA4K™ system. During the installation, the CA4K™ pre-configures most of the settings required for a basic system. The following steps will guide you through programming the remaining items to get a basic system operating (Com Port/ Channel, Panel, Schedule, Reader, Access Group and Personnel).