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Unable to add IP address in Plesk: The IP address is not configured properly

Samuel Figueredo
Updated
Plesk for Linux kb: technical

Applicable to:

  • Plesk for Linux

Symptoms

  • The IP address can be added to Plesk
  • The Server OS is Debian/Ubuntu-based
  • Clicking Reread IP in Tools & Settings > IP Addresses marks the IP address as not configured properly:

PLESK_WARN: This IP address is not configured properly

  • Interface names in netplan configuration files are different:

# cat /etc/netplan/01-netcfg.yaml
...
  ethernets:
    ens18:
      match:
      macaddress: 00:00:5E:00:00:00
...        

# cat /etc/netplan/10-plesk.yaml
...
  ethernets:
    eth0:
      addresses:
...

Cause

Netplan is unable to add an IP address to the network interface since the Interface Name differs from the IP address mapping that is missing.

Resolution

  • Remove broken IP addresses from Plesk
  • Delete file /etc/netplan/10-plesk.yaml
  • Rename the interface name in /etc/netplan/01-netcfg.yaml in accordance to Plesk configuration file (10-plesk.yaml) and apply netplan changes:

# cat /etc/netplan/01-netcfg.yaml
...
 ethernets:
  eth0:
      match:
        macaddress: 00:50:56:45:1b:82

# netplan try

# netplan apply

  • Add IP addresses to Plesk anew
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Comments

1 comment
Date Votes
  • Avatar
    Manuel Hanen
    (Edited )

    I can not remote the broken IP adress from Plesk. Plesk says it is in use by a domain.

    In the domain configuration the ipv6 is not shown an can not be removed. Removing the ipv6 in dns-settings did not help.

    There is no 01-netcfg.yaml file.

    0

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