I'm not sure if this is a DCD bug or an issue with the DMD installer? The DCD beta code compiled without issue. But when I started the server I got this error: C:\Program Files\Zeus>dcd-server.exe -iC:/dmd2/src/phobos [info ] Getting symbols for C:/dmd2/src/ phobos\etc\ c\curl.d ....... [info ] Getting symbols for C:/dmd2/src/ phobos\std\ container\ package.d [info ] Getting symbols for C:/dmd2/src/ phobos\std\ container\ array.d [info ] Getting symbols for C:/dmd2/src/ phobos\std\ container\ util.d [info ] Shutting down sockets... [info ] Sockets shut down. object.Error@(0): Access Violation If I remove the C:/dmd2/src/ phobos\std\ container folder the server starts fine: C:\Program Files\Zeus>dcd-server.exe -iC:/dmd2/src/phobos [info ] Getting symbols for C:/dmd2/src/ phobos\etc\ c\curl.d ....... [info ] Getting symbols for C:/dmd2/src/phobos\unittest.d [info ] Import directories: ["C:/dmd2/src/phobos"] [info ] 22153 symbols cached. [info ] Startup completed in 6677.97 milliseconds. I was using the DMD v2.066.1 release installed using the zip file.