Symptoms:
1. After SharePoint Portal Server 2003 is installed, the configuration server farm account settings page cannot be displayed normally.
2. in IIS manager, the site status of the SPS Management Center is stopped, and the application pool of the site is invalid. No centraladminapppool exists in the application pool list.
3. If you manually create a pool named centraladminapppool to start the SPS management center, you will be asked for the account password multiple times when accessing the management center. after entering the pool multiple times, you will be notified: you are not authorized to access this page
4. The spsadm. log file contains records with incorrect accounts or incorrect passwords.
5. You can see the error caused by W3SVC In the event viewer. The description is similar to: The application '/'Belonging to site'Sitename'Has an invalid apppoolid' centraladminapppool 'set. Therefore, the application will be ignored.
The cause of the above error is that the problem occurs when you specify to configure the database administrator account when installing SPS: enter an incorrect account or an account with insufficient permissions. The solution is to uninstall SPS and reinstall the account, if uninstallation fails, see http://www.cnblogs.com/xqyi/archive/2004/11/22/66778.html.
Another: The above content translated from http://support.microsoft.com /? Id = 831704