Who is this article for?

Users who get an error when accessing their site.

Local Admin permissions are required.

This article outlines scenarios in which you may encounter the error how to fix it.

1. Issue
   • Scenario 1
   • Scenario 2
2. Resolution

1. Issue

When Internet Information Services (IIS) is restarted (which occurs on a server reboot or following the install/uninstall of the OnePlaceMail Solution using the OnePlaceMail Server Configuration Utility), you may sometimes find that one or more SharePoint web application pools fail to restart.

Scenario 1

After installing the OnePlaceMail SharePoint solution using the OnePlaceMail Configuration Utility, trying to access a SharePoint site will generate the error message in the web browser.

Scenario 2

Following an Internet Information Services (IIS) reset, or a reboot of your SharePoint server, trying to access your SharePoint site will generate the following error message in the web browser.

2. Resolution

To resolve the issue:

1. Start Internet Information Services (IIS) Manager.
2. Expand the server node.
3. Click Application Pools.
4. The central pane is now populated with a list of application pools with a column for the 'status'.
   Identify any SharePoint application pools that are not running (that should be).

5. Select the 'stopped' application pool.
6. Click the Start button from the Actions panel.