An error occurred while starting the Microsoft Exchange Service: the call to failed with error .

This error indicates a problem starting the POP3 Service due to a variety of reasons. The Error Code in the event may provide information as to the cause. Use the ERROR.EXE tool on the Exchange CD to get details on the error codes.

• The System Attendant Service might not have started. The POP3 Service depends on the Microsoft Exchange Information Store service, which depends on the System Attendant.
• Microsoft Site Server is also installed on the Exchange server.
• If this occurs during a reinstall attempt, the account being used to

  install may not have adequate permissions.

• The IIS metabase may be corrupted.

• Ensure that the System Attendant and Microsoft Exchange Information Stores services are

  started.

• Uninstall Microsoft Site Server or disable it.
• Check that the account being used to reinstall has adequate permissions.
• Use METAEDIT to check the IIS metabase. You can search the Microsoft

  Knowledge Base for the term METAEDIT to get articles that describe the Metaedit

  tool.