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I set up a brand new Windows 10 PC on Friday for a client.  The last thing I did before I left was set up a Canon iR-C350 and tested both printing and scanning.  This morning it isn't working.  I verified all of the credentials and shares and finally decided to break it down in Wireshark.


I see the scanner sends a Negotiate Protocol Request with a Requested Dialect of NT LM 0.12 which I believe is SMB1.  So I turned on both SMB1 options in the Windows 10 optional features.  Rather than send back a "Negotiate Protocol Response", the PC just sends back an "RST, ACK".  The printer tries 3 more times and then just fails.  I've disabled the firewall and all Webroot services.  [ATTACH=full]364[/ATTACH]


[ATTACH=full]365[/ATTACH][ATTACH=full]366[/ATTACH]


I hope this is enough information and I greatly appreciate any help.  Thanks!


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