Step-by-Step Guide to Migrate Vtiger from Version 6.4 to 7.1

Step 1: Backup Your Data The first and most important step is to create a backup of both your database and source code. This ensures that you can restore your system in case anything goes wrong during the migration process.

Step 2: Download the Patch File (6.4 to 6.5)

To run CRON in Vtiger or check either cron run successfully or not go to address bar and type “www.example.com/vtigercron.php”.

It shows Access denied, so to solve this issue follow these simple steps:-

Overcome the Error “Access Denied”.
Go to vtigercron.php and find

if(vtigercron_detect_run_in_cli() || (isset($_SESSION["authenticated_user_id"]) && isset($_SESSION["app_unique_key"]) && $_SESSION["app_unique_key"] == $application_unique_key)){

Replace with

Decrease The Run Time Of CRON JOB (15 mins to 1 min)

In this document we decrease the runtime of CRON Job in vtiger.

Follow these simple steps and you can set runtime as per your need.

STEP1. First of all you need to set the minimum frequency value in config.inc.php file.

For this go to include\utils\utils.php

Find :-

function getMinimumCronFrequency() {

global $MINIMUM_CRON_FREQUENCY;

if(!empty($MINIMUM_CRON_FREQUENCY)) {