OS5 PR4100 BUG PROBLEM since update from OS3

[ichinakama]

I have the same issue yesterday,

I change in manage network the samba parameters to smb1, sm2, smb3 and it’s works for me.

Else, this topic can help you

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

Upgraded to OS5 today: 5.04.114. Now I cannot access the device from my Windows 10 machine. Right before the upgrade, I could access the device through the file explorer. I have a second WDMYCLOUD that I am still able to access from my Windows 10 machine. I tried all the things on the internet but I continue to get SAMBA, CIFS: Authentication for user [user] has FAILED. On Windows, it will attempt to open the directory but will ask for a password for the user. If I put in a fake user name it …