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Scenario

Mapped network drives can be selected as destination when you create a backup or as storage when you restore a backup. In some cases network drives previously mapped in Windows may not appear in the backup storage/destination list.

Solution 1

Enable Linked Connections.

To work around this problem, configure the EnableLinkedConnections registry value. This value enables Windows Vista/7/8/8.1 to share network connections between the filtered access token and the full administrator access token for a member of the Administrators group. After you configure this registry value, LSA checks whether there is another access token that is associated with the current user session if a network resource is mapped to an access token. If LSA determines that there is a linked access token, it adds the network share to the linked location.

To configure the EnableLinkedConnections registry value:

Click Start, type regedit, and press Enter.
Locate and right-click the registry subkey HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ Windows\CurrentVersion\Policies\System.
Point to New and choose DWORD Value.
Type EnableLinkedConnections and press Enter.
Right-click EnableLinkedConnections and click Modify.
In the Value data box, type 1, and then click OK.
Exit the Registry Editor and restart the computer.

Alternatively you can use this registry file if you don’t want to manually edit the registry: Download

More information: Some Programs Cannot Access Network Locations When UAC Is Enabled

Solution 2

Enable SMB 1.0/CIFS File Sharing Support.

Mapped Network Drives Are Not Displayed

Scenario

Solution 1

Solution 2