http://blogs.technet.com/b/dpm/archive/2010/07/09/replacing-tape-drive-assignments.aspxImagine you got a replacement library for a broken one, or one with larger capacity to partition or share between DPM servers but anyway shows up as another tape drive. For discussion sake we say everything is fine with the new library but you now goten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/dpm/archive/2010/07/09/replacing-tape-drive-assignments.aspx#3438222Wed, 29 Jun 2011 17:09:30 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3438222Elyes<p>This assuming the old broken library is online because if it is broken it will show as offline and your script will only query the online library (hint: &nbsp; &nbsp;$libs = @(Get-DPMLibrary -DPMServerName $srv | where {$_.isoffline -eq $false}) </p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3438222" width="1" height="1">