Event ID 7023: The Windows Process Activation Service terminated

This post has been republished via RSS; it originally appeared at: IIS Support Blog articles.

If your web applications stop responding requests, WAS is one of the services you should check first.

 

While troubleshooting an issue in a web server, I saw this error in the Event Viewer:

 

Event ID 7023: The Windows Process Activation Service service terminated with the following error: ​The system cannot find the file specified

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Solution

Follow the steps below to fix this issue:

  1. Check c:/windows/system32/inetsrv/ folder. applicationHost.config file might be missing or it might be empty. If it is, go to c:/inetpub/history/ folder and copy the applicationHost.config file from there to  inetsrv folder. Try to start Windows Process Activation Service again
  2. Go to c:\inetpub\temp\ folder. Check if there is an apppools folder. If it doesn’t exist, create this folder. Try starting WAS again
  3. Open registry editor. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WAS\Parameters. Delete NanoSetup entry. Try again
  4. Go inetsrv folder. Duplicate applicationHost.config file. Name the new file applicationHost.config.tmp. Try to start Windows Process Activation Service again

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