ServiceInstallStart
Determines when the service should be started. The Windows Installer does not support boot or system.
 
  Union Cases
  
    
      | Union Case | Description | 
    
    
      
        
          
            Auto
          
          
            Signature:  
                       
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          The service will start during startup of the system. 
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            Boot
          
          
            Signature:  
                       
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          The service is a device driver that will be started by the operating system boot loader. This value is not currently supported by the Windows Installer. 
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            Demand
          
          
            Signature:  
                       
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          The service will start when the service control manager calls the StartService function. 
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            Disabled
          
          
            Signature:  
                       
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          The service can no longer be started. 
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            System
          
          
            Signature:  
                       
         | 
        
            
               
               
            
          The service is a device driver that will be started by the IoInitSystem function. This value is not currently supported by the Windows Installer. 
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