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sudden permissions problem - You need permission to perform this action
I have samba (SMB) share called "pictures" which I map to my Windows 7 machine as drive Y:. I used Windows Explorer to move some pictures to my Y: drive today (as I've done hundreds of times before) ...
kenalker wrote:
However, Windows doesn't seem to like maintaining multiple connections to the same IP address any longer when I log into Y first.
It can maintain multiple connections, but they must use the same credentials. Windows has always worked that way, it is nothing new.
Microsoft has made some other changes on guest access, and my guess is that they will lock it down further over time. While you could simply try to track those changes as they unfold, in my opinion you are better off just setting up the NAS so you don't routinely use guest access.
How you handle this depends on what access restrictions you want to apply. If you want full access to all shares from all devices on your home network, then what you want to do is
- add credentials in the windows credential manager (for "ken" in your case, with the NAS password for ken)
- change the file access settings for the public shares so that ken has full read/write permission. You can also set the owner of the shares to ken/users
Thanks for the quick response. I do recall and have experienced what you say, that "It can maintain multiple connections, but they must use the same credentials." But I can tell you with all certainly that I've been logging into Z: and saving files that end up owned by ken.users and logging into Y: and saving files that end up owned by guest.guest (all from one computer). Not sure how I managed for years or why it suddenly stopped (maybe that is different than what you are saying).
For option one this means adding my credentials to machines that belong to other people, which would give them access to my home share, right (not good, if so)?
For the second option, this means having to add a new user to the access settings every time a new device is added to the network that needs guest access, true? I think it would also mean creating a user on the NAS for that person (which, perhaps, means they'd end up with a home share even if they don't need one). Not ideal, especially for guests visiting for a day, but would work.
I would normally experiemnt with these before writing back but must leave town shortly, so will probably have more questions once I try it out. Thanks!
kenalker wrote:
For option one this means adding my credentials to machines that belong to other people, which would give them access to my home share, right (not good, if so)?...
But I can tell you with all certainly that I've been logging into Z: and saving files that end up owned by ken.users and logging into Y: and saving files that end up owned by guest.guest (all from one computer). Not sure how I managed for years or why it suddenly stopped (maybe that is different than what you are saying).
Whether it's "good" or not depends on what data you put in the home share. Personally I don't use the home shares at all. As far as the past goes, the rules here are changing. WannaCry is one reason, as it exposed the dangers of allowing open access to network shares.
That said, it is certainly possible to reset the file access rights on the public shares to allow both guest and "ken" to write to the share. You could start with using the reset control on the file access page, and see if that solves it.
Also, one way to "fake" multiple credentials is to use the NAS IP address when mapping Z and the NAS name when mapping Y. Windows treates the IP address and the hostname as two different devices. Then you can just create a NAS credential for ken on the machines that access the ken home share, and always use guest for public shares.
You could also create a second account, and use its credentials on the other PCs to access the public shares (avoiding guest, and allowing you to be selective on whom you let access the public shares).
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