Profil and password request on \\rock\data

[Rugby (aka Daniel or Big Dan)]

In addition to setting SMB1 that @bearFNF suggested, you should also try this if it still is not working: Allow guest access to remote storage

Trouble adding Cocktail Audio X50 to Roon

And, finally, a recent Windows update may have also unenabled guest access to remote storage. If this is the issue, then this will help: If you want to enable insecure guest access, you can configure the following Group Policy settings: Computer configuration\administrative templates\network\Lanman Workstation “Enable insecure guest logons”