The Name Specified In Network Control Block (NCB) Is In Use On A Remote Adapter

IT Support Forum Forums Active Directory DHCP Troubleshooting The Name Specified In Network Control Block (NCB) Is In Use On A Remote Adapter

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    Webmaster
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    When you try to renew your IP address, you get this error:

    Windows IP Configuration

    An error occurred while renewing interface Ethernet : The name specified in the network control block (NCB) is in use on a remote adapter.
    The NCB is the data.

    This issue is caused by one of the following:

    • The subnet of the DHCP server is different to the subnet of the addresses it’s putting out and there is no DHCP relay to connect the subnets
    • A firewall is blocking the DHCP requests or a network issue is preventing the DHCP server from connecting to the DHCP client
    • The DHCP server is trying to give out IP addresses from scopes that overlap

    I have to say that the name specified in the network control block (NCB) is in use on a remote adapter error is probably one of the most unusual errors I’ve ever had to fix.

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