Laptop can't access MyCloud over Windows network

[tekram]

Maybe something like this with NTLMv1 or smb.conf:

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

@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.

and this observation…‘So the real solution was to change the settings on the WD unit itself, in my case it was a PR4100, setting the protocol to NTLMv1 & NTLMv2.’:

[SOLVED] OS5 upgrade, no longer able to access PR2100 from Windows 10, CIFS: Authentication for user [user] has FAILED

I will like to put down here my findings about this issue. I recently upgraded my WD (used as Backup unit) and I encounter an issue with my backups not working. After following the indications here by changing the registry key of LSA to 4. Although, it worked at the beginning, this registry value keep reverting to 2 after a while. Digging on what it was proposed I found out this is related to the authentication value used in the network. So the real solution was to change the settings on the…