Script to disable UAC Server on Windows Server 2019


The easiest way to disable UAC (User Account Control) on Windows Server 2019 is to modify the registry key on the server. You may use this reg file to Disable the UAC. Simply, double click the registry file and settings will be imported on the machine. This script can also to be used on Windows Server 2012 R2 and Windows Server 2016. Under certain constrained circumstances, disabling User Account Control (UAC) on Windows Server can be an acceptable and recommended practice (example: consistent backup). These circumstances occur only when all the following conditions are true: Only administrators are allowed to log on to the Windows-based server interactively at the console or by using Remote Desktop Services and administrators log on to the Windows-based server only to perform legitimate system administrative functions on the server.


Manual procedure to disable UAC is given below:

Add-PsSnapin -Name VeeamPSSnapIn
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\policies\system /v EnableLUA /t Reg_DWORD /d 0 

Download the script: Here

Then, execute the script and write “Yes” to confirm:

You can check the value data by opening “regedit” interface:

Microsoft’s Volume Shadow Copy Service (VSS) is Windows’ built-in infrastructure for application backups. As a native Windows service, VSS facilitates creating a consistent view of application data during the course of a backup. VSS relies on coordination between VSS requestors, writers, and providers for quiescence, or “to make quiet,” a disk volume so that a backup can be successfully obtained without data corruption. Native VSS is used to backup VMware and Hyper-V VMs and to restore them to a precise point in time… For example, Veeam Backup and Replication software needs the “application-aware processing” (VSS) option to be enabled to ensure application consistency of backup for VSS-Aware applications (SQL, AD, Exchange, SharePoint, Oracle Windows), but also the “File System” consistency for Windows Virtual Machines.


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