papazetis Posted October 9, 2022 Share Posted October 9, 2022 (edited) Hello.I have an issue connecting WHMCS v8.5.1 with Plesk Obsidian 18.0.47. It was working fine but suddenly something happened and it stopped working.I checked credentials and 8443 port and all looks ok.I get the following message when I test the connection`Error code: 0. Error message: Curl error: [7] Failed to connect to 116.xxx.xxx.xxx port 8443: Connection refused.`And this error on Plesk when I click "Login to Cotrol Panel"`An Error Occurred. A fatal error occurred. Please see activity log for more details.` I have enabled "Allow IP address changes during a single session"https://help.whmcs.com/m/v82/l/1428807-troubleshooting-plesk-login-to-panel-issues but still getting the same errors.Any ideas? Edited October 9, 2022 by papazetis 0 Quote Link to comment Share on other sites More sharing options...
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