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What are the ErrorControl, Start and Type values under the Services subkeys?
John Savill
March 4, 1999
1 Min Read
A. A. Each of the main 3 values and their contents are described below.
ErrorControl
This is used if the service fails to startup upon boot.
Value | Meaning |
|---|---|
0x00 | If this driver can't be loaded or started ignore the problem and display no error |
0x01 | If the driver fails produce a warning but let bootup continue |
0x02 | Panic. If the current config is last known good continue, if not switch to last known good |
0x03 | Record the current startup as a failure. If this is last known good run diagnostic, if not switch to last known good and reboot |
Start
This defines when in the boot sequence the service should be started. You can also set these by using the Services control panel applet.
Value | Start Type | Meaning |
|---|---|---|
0x00 | Boot | The kernel loaded will load this driver first as its needed to use the boot volume device |
0x01 | System | This is loaded by the I/O subsystem |
0x02 | Autoload | The service is always loaded and run |
0x03 | Manual | This service does not start automatically and must be manually started by the user |
0x04 | Disabled | The service is disabled and should not be started |
Type
This defines the kind of service or driver. They are loaded in the following order down the list.
Value | Meaning |
|---|---|
0x01 | Kernel-mode device driver |
0x02 | Kernel-mode device driver that implements the file system |
0x04 | Information used by the Network Adapter |
0x10 | A Win32 service that should be run as a stand-alone process |
0x20 | A Win32 service that can share address space with other services of the same type |
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