vtiger 7.3 to 7.4 update – INVALID CREDENTIALS problems & workaround
Today’s mission was to update vtiger 7.3 to 7.4, as 7.3 lacks support for newer php versions. vtiger provides patch/update-files: https://sourceforge.net/projects/vtigercrm/files/vtiger%20CRM%207.3.0 Grab the patch-file and extract the zip file in your vtiger root directory and replace all existing files (that is, where also vtigerservice.php is present). Now unzip the newly created vtiger7.zip file as well and also replace all files. Now login to your vtiger as admin user and hit following url: https://vtiger-server/crm/index.php?module=Migration&view=Index&mode=step1 Then click Next: Even though it reports update to vtiger 6 is done, we have now 7.4 Read more…