Nginx fails to fails: “nginx: [emerg] bind() to 203.0.113.2:443 failed (99: Cannot assign requested address)”

Symptoms

• The server has been recently migrated

• Nginx fails to start and the following error show up in Plesk panel:

  New configuration files for the Apache web server were not created due to the errors in configuration templates: nginx: [emerg] bind() to 203.0.113.2:443 failed (99: Cannot assign requested address) nginx: configuration file /etc/nginx/nginx.conf test failed

• The IP address 203.0.113.2 has been used during the migration, but is no longer present on the server nor Plesk

Cause

The file /etc/nginx/plesk.conf.d/server.conf still contains the 203.0.113.2 IP address.

Resolution

Recreate Nginx configuration file as below:

1. Connect to the server via SSH

2. Disable Nginx with the following command:

   # /usr/local/psa/admin/sbin/nginxmng --disable

3. Enable Nginx back:

   # /usr/local/psa/admin/sbin/nginxmng --enable