Sugar instance version 11.3.0 take time to load after login

Hi Team,

We are using cloud instance backup to restore at our local server for development purpose.

We are using Sugar version  11.3.0.

We have installed below on our server.

CentOS -7

PHP -7.4

apache-2.4

MYSQL - 5.7

ref link:https://support.sugarcrm.com/Knowledge_Base/Platform_Management/Migrating_From_Sugar_Cloud_to_On-Site/

our issue is when we try to login our instance it tooks 2-3 min to load properly within the network and over the VPN.

On same server other instances works properly.

can someone help us to resolved this loading issue.

When we check in inspect tool below url goes in pending state.

Request URL: http://{server_IP}/{instance_name}/rest/v11_15/oauth2/token?platform=base

Regards,

Ambit Support