I am to clean up unnecessary space of Exchange 2010 as the Win 2008 server has only 2.5 Gb left. But I get this now.
C:\Windows\SoftwareDistribution\DataStore>eseutil /MH DataStore.edb
Extensible Storage Engine Utilities for Microsoft(R) Exchange Server
Copyright (C) Microsoft Corporation. All Rights Reserved.
Initiating FILE DUMP mode...
Error: Access to source database 'DataStore.edb' failed with Jet error -1032.
Operation terminated with error -1032 (JET_errFileAccessDenied, Cannot access file, the file is locked or in use) after 0.31 seconds