I've got the problem that Explorer is showing the green loading bar (Green Bar of Death) while disconnected from corporate network. It doesn't matter if connected with DHCP and internet access or just a pure network connection without other clients (APIPA) or even with disconnected NIC.

I tracked it down to the name resolution with disconnected network shares/mapped drives (from GPO). I barely can access files on local physical drives. I can't even open notepad and use the "open file" dialog since it also shows mapped drives.

In Wireshark I can see that Windows tries to reach for the file server.

  • LLMNR (multicast DNS)
  • NBNS (NetBIOS)
  • DNS

As soon as I add the file server with in the hosts file, the green loading bar vanishes and I am able to access local drives again.

I also already tried to adjust timeout settings from these posts without success:

Question: What can I do to prevent this long loading/availability check for mapped drives?

  • any mapped network drives/folders from the FS?
    – Zina
    Dec 10 '20 at 14:18
  • @Zina Sorry I dont't understand the question... I'm in the "My Computer" drives overview while this happens. Accessing drives logically should only work for local drives since the file server is unavailable which hosts all mapped drives.
    – unNamed
    Dec 10 '20 at 14:23
  • just sharing my experience, I had a shared drive on my remote PC and when it was not available on the network I also have seen long times of loading when unavailable. in my case it was my Z: drive mapped to a shared folder. the fix was to unmap or hhave the server available.
    – Zina
    Dec 10 '20 at 15:20
  • Anything that avoids the scenario is no fix in my eyes.
    – unNamed
    Dec 13 '20 at 14:59
  • well, in my case the fix was fixing the remote server - as it was unavailable on the network, and there is nothing else I could do as Windows Explorer was trying to reach the location until the time-out was reached.
    – Zina
    Dec 13 '20 at 15:43

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