Recovering SYSVOL
First, SYSVOL is a folder that resides on every domain controller within a domain, is located at C:\Windows\SYSVOL by default, and should be moved to another location only during promotion of the domain controller. SYSVOL contains folders, files, and junction points that utilize Distributed File System Replication (DFS-R) to keep files and folders synchronized between domain controllers. More details on the recommendations of how to place both the databases and SYSVOL can be found at the following URL: https://learn.microsoft.com/azure/architecture/reference-architectures/identity/adds-extend-domain#vm-recommendations.
The SYSVOL folder is typically accessed through a namespace share such as \\ad.az801.com\sysvol or via the local domain controller share path of \\AZ801PacktLab-DC-01\sysvol. Additional folders and shares are listed as such:
\SYSVOL\domain\SYSVOL\staging\domain\SYSVOL\staging areas\SYSVOL\domain\Policies\SYSVOL\domain...