Hi Neil. I'm Greg, an installation specialist and 9 year Windows MVP, here to help you.
It needs to be a recognized Account name that already exists on the network or PC.
In addition see these latest fixes which are working for sharing after changes made in Version 1803:
Homegroup is removed in Version 1803.
What's working most for network detection issues caused by Version 1803 is here: https://windowsunplugged.blog/2018/03/27/networ...
Go over these steps to make sure File Sharing is set up correctly: https://pureinfotech.com/setup-network-file-sha...
There are Changes to file sharing over a network in Windows 10: https://support.microsoft.com/en-us/help/409269...
To troubleshoot sharing problems:
https://www.lifewire.com/troubleshooting-window...
https://windowsunplugged.blog/2018/03/27/networ...
This is the latest fix that's working for Version 1803 breaking networks. Please try it and report back:
- shut all computer and network gear down then start again.
- Try browsing to some of the computers manually, press Windows key + R, type: \computername, hit Enter
- Press Windows key + R
Type: services.msc
Hit Enter
- Start the "Function Discovery Provider Host" and "Function Discovery Resource Publication" services, and then set them to Automatic (Delayed Start).
- When you open Explorer Network, enable network discovery when you are prompted.
If not then start over and set it up again: https://pureinfotech.com/setup-network-file-sha...
The issue is also being tracked now with expert help here: https://answers.microsoft.com/en-us/windows/for...
I hope this helps. Feel free to ask back any questions and let us know how it goes. I will keep working with you until it's resolved.
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