You receive a "Microsoft Project cannot access the Microsoft Project Server" error message when you log on to Microsoft Project Professional or Microsoft Project Web Access

When you try to log on to Microsoft Project Professional or Microsoft Project Web Access, you may receive the following error messages: Alternatively, if you click Work Offline on the File menu, create a Project Server Account, and then click Test Connection, you may receive the following error message: If you then click View to view the server response in your browser, or if you try to connect to Microsoft Project Web Access, you may receive the following error message:

Possible Cause 1 This issue may occur if you are using a configuration script in Microsoft Internet Explorer for authentication on the computer that is running Microsoft Project Server.

Possible Cause 2 You have incorrect Internet Explorer security settings.

Resolution for Cause 1 To resolve this issue, follow these steps:

1. Start Internet Explorer, and then click Internet Options on the Tools menu.
2. Click the Connections tab, and then click LAN Settings.
3. Click to clear the Use automatic configuration script check box.
4. Click to select the Use a proxy server for your LAN check box, and then type the address and port number for your proxy server in the Address box and the Port Number box.
5. Click to select the Bypass proxy server for local addresses check box, and then click OK.

Resolution for Cause 2: To resolve this issue, follow these steps:

1. Start Internet Explorer, and then click Internet Options on the Tools menu.
2. Click the Security tab, and then click Trusted sites.
3. Click Custom Level
4. Click the Automatic logon with current username and password button.
5. Click OK.