Problem Symptom: “A reboot from a previous installation is pending” error display when installing Microsoft Exchange, applying cumulative update, or installing the upgrade using GUI management tools. Even after reboot the server, the same error will prompt.
The detailed error message as below:
A reboot from a previous installation is pending. Please restart the system and then rerun Setup.
The Exchange Server setup operation didn’t complete. More details can be found in ExchangeSetup.log located in the <SystemDrive>:\ExchangeSetupLogs folder.
Follow the below solution steps to resolve “A reboot from a previous installation is pending” error.
Step 1: Press Windows key + R to open a Run box.
Step 2: Type
regedit and press Enter to open up the Registry Editor. Click Yes to grant administrative privileges when prompted by the UAC (User Account Control).
Step 3: Navigate to the following location:
Step 4: If the
UpdateExeVolatile key is exists, then delete it completely or set its value to 0.
Step 5: Navigate to the following location:
Step 6: Remove all the value inside the
Step 7: Restart the server.