Veeam B&R Access Denied

To disable UAC remote restrictions, follow these steps:

Click Start, click Run, type regedit, and then press ENTER.

Locate and then click the following registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

If the LocalAccountTokenFilterPolicy registry entry doesn't exist, follow these steps:
    On the Edit menu, point to New, and then select DWORD Value.
    Type LocalAccountTokenFilterPolicy, and then press ENTER.

Right-click LocalAccountTokenFilterPolicy, and then select Modify.

In the Value data box, type 1, and then select OK.

Exit Registry Editor.