Christian, I hadn't -- I wasn't sure if BaseX would still run or what value to try. What do you suggest I start with? -Xmx1000m instead of -Xmx1400m? Less? Jim Saiya XML Analyst Developer Detroit, MI ✆ 703.731.5119 ✉ jsaiya@formatdata.com [in] www.linkedin.com/in/jimsaiya On Wed, 17 May 2017 00:50:10 +0200, Christian Grün wrote: Dear Jim, Did you already try to change/reduce the value of the -Xmx flag in the basexhttp.bat start script? Cheers, Christian Am 17.05.2017 00:40 schrieb "Jim Saiya" <jsaiya@formatdata.com>: I'm having the same issue Cong Hui has described in this Stack Overflow question: http://stackoverflow.com/q/43331077/4852675 Namely, that I get this error when trying to run basexhttp.bat ---- Error occurred during initialization of VM Could not reserve enough space for 1433600KB object heap ---- My system is running Windows 10 Home version 1703 build 15063.296 (just updated), with 4.00 GB RAM Is there a solution? Jim Saiya XML Analyst Developer Detroit, MI ✆ 703.731.5119 ✉ jsaiya@formatdata.com [in] www.linkedin.com/in/jimsaiya