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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I’m trying to use iPXE (latest build) to redirect some of our physical machine to Citrix PVS (to stream windows 7 from PVS server to the physical machine) but I’m having a random problem.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The Process : <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>The machine is booting with PXE<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>The DHCP gives the iPXE server<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>An iPXE script is executed and chain to PVS<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Embedded script : <o:p></o:p></span></p><p class=MsoNormal>dhcp<o:p></o:p></p><p class=MsoNormal>Chain <a href="http://ipxe.domain.com/boot.aspx">http://ipxe.domain.com/boot.aspx</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Boot.aspx gives the script : <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Chain tftp://10.1.2.3/ARDBP32.bin<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>10.1.2.3 is the PVS server and ARDBP32.bin is the Citrix boostrap that intercept BIOS interrupt 13 to request the PVS server for missing blocks to be streamed<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The PVS bootstrap always starts correctly but i’m having a random problem with OS streaming : sometime, the windows boot hangs. The problem does not appear on the same machine each time. If I configure DHCP so that the machine contacts the PVS server directly, the problem never occurs (but I can’t stay with this configuration because I have to redirect to different PXE environment).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I also tried different command line (autoreplace, autofree) but no change. Even tried PXEBS instead of direct tftp chain, still no change.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I suspect a memory conflict between iPXE and PVS (ARDBP32.bin). I have opened a ticket at Citrix, but is there a way to diagnose what happen and if there is a memory problem ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you for your help<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Nicolas<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>