Thank you all for replies. I will check it out. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Rich Jesse Sent: Monday, January 09, 2012 10:28 AM To: oracle-l@xxxxxxxxxxxxx Subject: RE: backup failure One way to determine what has a file open is to grab the free "Process Explorer" utility from MS at http://technet.microsoft.com/en-us/sysinternals/bb896653 Unzip it and run it on the server. Use "Find" on the menu to search for some distinct part of the locked file and it will tell you what has it opened. HTH! GL! Rich > Network admins say "No" > From: Jeffrey Beckstrom [mailto:JBECKSTROM@xxxxxxxxx] > Sent: Monday, January 09, 2012 9:59 AM > To: oracle-l@xxxxxxxxxxxxx; Eugene Pipko > Subject: Re: backup failure > Do you have something performing a file system backup of the files? -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l