protocol negotiation failed: NT_STATUS_CONNECTION_DISCONNECTED Resolution It says the protocol negotiation failed. Check which protocols are enabled on the Windows server. It could be the server cannot negotiate SMB2 protocols. CIFS and samba both negotiate SMB2 by default. Make sure if it works ...
The storage was upgraded so my RHEL 7.5 server is the client trying to connect to the Windows share. It is showing the message protocol negotiation failed: NT_STATUS_CONNECTION_DISCONNECTED root@linux:~ #smbclient //storageserver/PUBLICO -U “setaoffice/username%PASSWORD” -c ...