Windows 8
Default Description
Maintains and improves system performance over time.
Additional Information
None at this time.
Default Startup Type
| OS | SP0 |
|---|---|
| Windows 8 x86 | Automatic (Started) |
| Windows 8 x64 | Automatic (Started) |
| Windows 8 Pro x86 | Automatic (Started) |
| Windows 8 Pro x64 | Automatic (Started) |
| Windows 8 Enterprise x86 | Automatic (Started) |
| Windows 8 Enterprise x64 | Automatic (Started) |
Service Names
Service Name (registry): SysMain
Display Name: Superfetch
Default Path and Command Line Options
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted
Log On As
Account: Local System account
Dependencies
Note: No dependencies are listed for any service in the WDP build I used to draft this information.
Windows 7
Default Description
Maintains and improves system performance over time.
Additional Information
None at this time.
Default Startup Type
| OS | SP0 | SP1 |
|---|---|---|
| Windows 7 Starter | Automatic (Started) | |
| Windows 7 Home Basic | Automatic (Started) | |
| Windows 7 Home Premium | Automatic (Started) | |
| Windows 7 Professional | Automatic (Started) | |
| Windows 7 Ultimate | Automatic (Started) | |
| Windows 7 Enterprise | Automatic (Started) |
Service Names
Service Name (registry): SysMain
Display Name: Superfetch
Default Path and Command Line Options
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted
Log On As
Account: Local System account
Dependencies
What service Superfetch needs to function properly:
- File Information FS MiniFilter (S, HB, HP, P, U, E)
- FltMgr
-
Remote Procedure Call (RPC)(S, HB, HP, P, U, E)
- DCOM Server Process Launcher (S, HB, HP, P, U, E)
- RPC Endpoint Mapper (S, HB, HP, P, U, E)
What other service require Superfetch to function properly:
- None (S, HB, HP, P, U, E)
Windows Vista
Default Description
Maintains and improves system performance over time.
Additional Information
Superfetch Service along with ReadyBoost service and an USB flash drive or memory card is used as additional RAM. If you do not use an USB flash drive in this manner, you can disable ReadyBoost, but I recommend to leave the Superfetch service on Automatic.
Default Startup Type
| OS | SP0 | SP1 | SP2 |
|---|---|---|---|
| Vista Home Basic | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Home Premium | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Business | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Ultimate | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Enterprise | Automatic (Started) | Automatic (Started) | Automatic (Started) |
Service Names
Service Name (registry): SysMain
Display Name: Superfetch
Default Path and Command Line Options
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted
Log On As
Account: Local System Account
Dependencies
What service Superfetch needs to function properly:
- File Information FS MiniFilter (HB, HP, B, U)
- FltMgr (HB, HP, B, U)
-
Remote Procedure Call (RPC)(HB, HP, B, U)
- DCOM Server Process Launcher (HB, HP, B, U)
What other service require Superfetch to function properly:
- None (HB, HP, B, U)
Additional Reading
More information on these features is located here:
- ReadyBoost: https://www.microsoft.com/windows/products/windowsvista/features/details/readyboost.mspx
- Superfetch: https://www.microsoft.com/windows/products/windowsvista/features/details/superfetch.mspx
- Kernal Information: https://technet.microsoft.com/en-us/magazine/cc162480.aspx
Performance tests conducted with ReadyBoost and Superfetch are located here:
The recomended amount of ReadyBoost is between 1 and 3 times the physical RAM installed in the system. More information is here: