A pending reboot is defined in many places. Scroll right to see the values and conditions. A Windows computer is pending a reboot if any of the conditions in this table are true.
| Key | Value | Condition |
| HKLM:\SOFTWARE\Microsoft\Updates | UpdateExeVolatile | Value is anything other than 0 |
| HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager | PendingFileRenameOperations | value exists |
| HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager | PendingFileRenameOperations2 | value exists |
| HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired | NA | key exists |
| HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Services\Pending | NA | Any GUID subkeys exist |
| HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\PostRebootReporting | NA | key exists |
| HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce | DVDRebootSignal | value exists |
| HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootPending | NA | key exists |
| HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing\RebootInProgress | NA | key exists |
| HKLM:\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing\PackagesPending | NA | key exists |
| HKLM:\SOFTWARE\Microsoft\ServerManager\CurrentRebootAttempts | NA | key exists |
| HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon | JoinDomain | value exists |
| HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon | AvoidSpnSet | value exists |
| HKLM:\SYSTEM\CurrentControlSet\Control\ComputerName\ActiveComputerName | ComputerName | Value ComputerName in HKLM:\SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName is different |