DHCP issue: The name specified in the network control block (NCB) is in use on a remote adapter
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Environment: Problem with Windows 11 clients but also with Sonos and other network devices.
When I insert a new device in the network or do a "config /release - /renew", the Windows clients get the error: "An error occurred while renewing interface Ethernet : The name specified in the network control block (NCB) is in use on a remote adapter". The Windows problem solver says that the device cannot reach the DHCP server.
In some cases, after a while, the Windows client receives and IP address after all.
I have about 50 network clients using DHCP (with and W/O reservation) and 5 servers with fixed IP addresses. Reducing the number of clients does not help.
My lease pool ranges from 10.11.12.100 to 10.11.12.249.
Until a couple of weeks ago all worked fine. As far as I know, no changes were made to the network.
This problem is driving me crazy. Any help is very much appreciated.
Eric
