Thanks for your reply.
1,The ramdom issue is really strange. Is there any difference between the working and non-working machines? How about disable the firewall?
2,Please check the bootstrap.ini and customsettings.ini to see if there is anything unusual.
A similar thread for your reference: MDT Troubleshooting - "Unable to map a network drive to" or "Network Path Not Found"
Thanks for your time. Have a nice day!
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