**Issue: **//HTTP Error 503. The service is unavailable// in IIS as shown in the picture below is caused if the application pool is paused or disabled.

**Steps to resolve:**

  • Open IIS and look for the application pool of the selected website. here in this example the website name is test.
  • Select the Application Pool as shown in the diagram below:

  • Right click on the website name in the Application Pool and then click on Start as shown in the picture below:

  • Browse the website and the error should be resolved.

See Also

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