Mup Service Defaults in Windows 8
Multiple UNC Provider Driver.
Default Settings
| Startup type: | Boot |
| Display name: | Mup |
| Service name: | Mup |
| Service type: | filesys |
| Error control: | normal |
| Group: | Network |
| Path: | %SystemRoot%\System32\Drivers\mup.sys |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Mup |
Default Behavior
The Mup service is a file system driver. In Windows 8 it is being loaded by Boot Loader before Kernel initialization. If Mup fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the Mup service hasn't been started.
Dependencies
All the services listed below will not start if Mup is disabled:
- Computer Browser
- DFS Namespace Client Driver
- Group Policy Client
- Netlogon
- Redirected Buffering Sub System
- Remote Desktop Configuration
- Remote Desktop Device Redirector Driver
- Remote Desktop Services UserMode Port Redirector
- SMB 1.x MiniRedirector
- SMB 2.0 MiniRedirector
- SMB MiniRedirector Wrapper and Engine
- WebClient
- WebDav Client Redirector Driver
- Workstation
Restore Default Startup Configuration of Mup
1. Run the Command Prompt as an administrator.
2. Copy the commands below, paste them into the command window and press ENTER:
sc config Mup start= boot
sc start Mup
3. Close the command window and restart the computer.
The Mup service is using the mup.sys file that is located in the C:\Windows\System32\Drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 8 installation media.