Which of the following is the MOST likely cause of the issue?

A customer recently upgraded from Windows 7 to Windows 10. The customer lost access to certain network shares, and the system keeps preventing the user’s access.

Which of the following is the MOST likely cause of the issue?
A . The BitLocker feature was activated and encrypted the shares.
B . The user’s information was not preserved during the upgrade
C . Windows Firewall no longer allows access to legacy systems.
D . The network login script executed incorrectly.

Answer: D