Here we have dspace1.4.1 on windows 2003 standard edition with 3 GB RAM. We plan to increase the RAM to 12 GB. Since the standard edition can utilize only 4 GB of ram we are planning to install Windows 2003 Enterprise edition. Have anyone come across any issues in such a case. Your comments are welcome. Does dspace 1.4.1 makes any difference with respect to 32 bit application and 64 applications.