{process name} ({process id}) An attempt to open the file “{file name}” for read only access failed with system error {error code}: “{error message}”. The open file operation will fail with error {error code}.

Details
Product:	Exchange
Event ID:	489
Source:	ESE98
Version:	6.0
Component:	Extensible Store Engine
Symbolic Name:	OSFS_OPEN_FILE_RO_ERROR_ID
Message:	{process name} ({process id}) An attempt to open the file “{file name}” for read only access failed with system error {error code}: “{error message}”. The open file operation will fail with error {error code}.

Explanation
An unexpected error was encountered while trying to open a file.

User Action
Review the file you attempted to open. Use the Error.exe utility to resolve system errors. For more information about the error code reference specified in the message, go to www.reskit.com.