- Plesk 12.5 for Windows
Plesk is not accessible:
Error 503. The service is unavailable.
Unable to start PleskControlPanel application pool: it's getting stopped.
The following error is found in Event Viewer:
IIS Manager terminated unexpectedly.
Exception:System.Configuration.ConfigurationErrorsException: Configuration system failed to initialize ---> System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
Task Manager shows there is maximum memory usage in Performance
Server is out of memory.
Restart those services that take much memory or increase physical memory on the server.