Canon Imagerunner IR ADV C250 cannot connect to PR4100 after update to OS5

[SBrown]

@Jenvar NTLMv1 is not available on the current firmware version of OS 5.
Adding ntlm auth = yes to the smb.conf file can be used as a workaround for now.
Here’s the workaround posted in a Sonos thread.

Sonos Local Music Library (SMB) no longer works with OS 5

This issue is combination of samba 4.5.0(9/2016) removing NTLMv1 from default for security reasons, and Sonos only supporting NTLMv1. We will provide fix in a firmware release as soon as possible. In the meantime, adding the value of ntlm auth = yes to the smb.conf will allow Sonos to authentic to the My Cloud via SMB when SMB1 is also selected in the AdminUI dashboard. NOTE: The changes will be undone if the Samba Protocol is changed or the My Cloud rebooted… Ensure SMB1 is configured in…