I have a Drupal install at n:/. I defined some site aliases in the file aliases.drushrc.php defined in the drush dir. When I run *drush sa * I get Microsoft Windows [Version 6.1.7601] Copyright (c) 2009 Microsoft Corporation. All rights reserved. m:\drush>drush sa *Unable to create N://.drush. [error]* $aliases['dev'] = array( 'root' => 'm:/polamblue', 'uri' => 'http://polamblue.localhost:8080/', ); $aliases['prod'] = array( 'root' => '/home3/polamor1/public_html', 'uri' => 'http://www.polam.org/', ); $aliases['macdev'] = array( 'root' => 'm:/tonymac/public_html/tonymac', 'uri' => 'http://tonymac.localhost:8080/', ); $aliases['macprod'] = array( 'root' => '/home3/tonymacc/public_html/drupal', 'uri' => 'http://www.tony-mac.com/drupal/', ); *Unable to create N://.drush. [error]* I have no idea where to start looking for this error. Googling brings up nothing. Any help greatly appreciated. -- *Anthony Stefan Maciejowski*