Complete the following task on Available Servers $>$ CorpDC$2$:

On CorpDC$2,$ link the Corp Domain Controllers policy to the Domain Controllers container and move it to the first position in the link order.

Complete the following task on Available Servers $>$ CorpFiles:

On CorpFiles, add NTFS permissions and prevent the inheritance of permissions as follows:

Remove the Backup user from the assigned permissions for the D:$\backslash$Backup folder.

Add the CorpBackup user and grant Full Control permission to the D:$\backslash$Backup folder.

Remove all inherited permissions that are flowing to the D:$\backslash$Backup folder.