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Windows 2000 Services Tweak guide

Dependencies

A Dependency is a relationship of reliance between 2 or more resources that makes it necessary for them to run in the same group on the same node. In relation to Services, some are dependant on others to run correctly. To find out whether or not a Service is dependant on others, Right click on the Service in question & select Properties. Next select the Dependencies tab.

Depending on what dependencies a Service has, it can effect your ability to change a Services Startup type to Disable or Manual without the Service being automatically initiated anyway. As a result this tab can help your Troubleshooting process if a problem arises after disabling a particular Service which is dependant on.

Backup

Customizing the various system Services settings can be hazardous at times. So before you even start messing with them you should prepare an ERD (Emergency Repair Disk). Although it’s highly unlikely you’ll need this, you never know. To make an ERD take the following steps.

  1. Click on Start, Programs, Accessories, System Tools then Backup.

  2. Select the Emergency Repair Disk option in the Welcome tab & backup your registry (This is where any changes you make to the system Services are stored).

Now that you’ve made your ERD it's onto to the next section of the guide.

Emergency Restoration procedure

Should you find that you inadvertently Disable a Service that is required to load Windows 2000, or for it to function correctly do the following (Assuming that the Services Utility will not load, which can occur when some Services are set to Disable. Click on Start, Run, type in regedit & hit Enter. Open the following registry key, [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services]. This is where the Startup type for every Service is also stored. Select the appropriate Service (If unsure check the DisplayName value in the Right hand pane) from this subfolder. In the Right hand pane there will be a DWORD value entitled Start. The value (Decimal or Hexadecimal) for this entry determines the Services Startup type, as in the previous section. To change the value Right click on the entry & select Modify. Valid values are as follows;

  • A value of 2 sets the Startup type to Automatic.

  • A value of 3 sets the Startup type to Manual.

  • A value of 4 sets the Startup type to Disable.

This following example illustrates how you would go about restoring the Plug & Play Service from Disable to Automatic. As you can see in the [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PlugPlay] key the value for Start is to 4, i.e. Disabled.

Right click on the Start entry & select Modify. Select the Value data field.

Change the value to 2 & select the OK button, this will set the Startup type to Automatic. Reboot for the change(s) to take effect. Should this fail you should resort to the ERD which you made as directed earlier on.

 



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