disk space issue during EHP1 upgrade using SUM

Hi,

We are doing EHP1 package  upgrade using SUM (software upgrade manager) SP07 tool,during the upgrade we found out that we are out of disk space on the installation.Adding the extra sapce on the disk is not possible on immidiate.Is any possiblity to move SUM to another directory and continue the upgrade?

System details:

Windows 2008R2

MS-SLQ server 2005

Thanks

NJ