<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7638.1"> <TITLE>RE: building a 6zone structure</TITLE> </HEAD> <BODY>  i am using the latest version of esp-r native windows simulator, version 11.7 build 4333. no problems when i do not copy surfaces from another zone. how do i incorporate similar surfaces between zones without copying? attached are all of the zones. as of now all surface names from zone-reception cannot be read the simulator. the last zone i edited yesterday was zone-openofc. it was the only zone having problems. but after going thru the zone again, the problem spilled over to zone-reception. and others got affected as well. thanks! </BODY> </HTML>