after updating windows and a few firmware updates it's now UEFI booting just fine,
someone else has the same issue http://social.technet.microsoft.com/Forums/en-US/d0c8822d-beb3-4a01-9da5-5ff5070c8f98/having-issues-with-surface-pro-3-downloading-boot-image-over-pxe?forum=configmanagerdeployment On Mon, Sep 8, 2014 at 11:15 AM, Niall Brady <[email protected]> wrote: > tried the same hardware in my home lab, still taking 3 hours, booted the > device back into windows and it sees a firmware update for the surface3 , > i'll update it and try again. > > On Wed, Sep 3, 2014 at 5:03 AM, Joe Sestrich <[email protected]> > wrote: > >> I think if it takes 3 hours you have something else going on, but the >> original MS USB to Ethernet adapters are only 100mb. I boot a Dell 7440 >> with onboard nic and a Surface 2 with the 1st gen USB, and the 7440 >> finishes in half the time. >> >> >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Niall Brady >> *Sent:* Tuesday, September 02, 2014 9:57 AM >> *To:* [email protected] >> *Subject:* Re: [mssms] UEFI network boot extremely slow on Surface Pro 3 >> with Microsoft USB nic. >> >> >> >> Have you tried uefi boot with the first gen nic, i think thats my issue >> >> Sent from my phone, please excuse any typo's as a result. >> >> >> >> >> On 02 Sep 2014, at 15:31, Justin Chalfant <[email protected]> >> wrote: >> >> Yes this would affect all devices. WDS would send larger chunks of the >> boot.wim at once. 3 hours is definitely longer than it should be J. >> >> >> >> I would say without changing the TFTP size it took my SP1 and SP3 7 – 10 >> minutes with the TFTP size set like below maybe 2 – 3 minutes. >> >> >> >> Thanks, >> >> >> >> *Justin Chalfant* >> >> Premier Field Engineer – Configuration Manager >> >> Public Sector >> >> Microsoft Services >> >> >> >> Tel : (303) 846-2701 >> >> Email: [email protected] >> >> >> >> If you have any feedback about my work, please let either myself or my >> manager Ron Hill know at [email protected] >> >> >> >> *From:* [email protected] [ >> mailto:[email protected] <[email protected]>] *On >> Behalf Of *Niall Brady >> *Sent:* Tuesday, September 2, 2014 7:34 AM >> *To:* [email protected] >> *Subject:* Re: [mssms] UEFI network boot extremely slow on Surface Pro 3 >> with Microsoft USB nic. >> >> >> >> Wont that impact all devices that uefi/pxe boot on that dp ? This is the >> only device that is slow, 3 hours to download boot.wim over uefi >> >> Sent from my phone, please excuse any typo's as a result. >> >> >> >> >> On 02 Sep 2014, at 15:11, Justin Chalfant <[email protected]> >> wrote: >> >> In my experience, Surface Pro’s take longer than PC’s with built in >> NIC’s. Try this Created registry key RamDiskTFTPBlockSize under >> HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS\DP with Hex value as 1456 >> should help a little. >> >> >> >> Thanks, >> >> >> >> *Justin Chalfant* >> >> Premier Field Engineer – Configuration Manager >> >> Public Sector >> >> Microsoft Services >> >> >> >> Tel : (303) 846-2701 >> >> Email: [email protected] >> >> >> >> If you have any feedback about my work, please let either myself or my >> manager Ron Hill know at [email protected] >> >> >> >> *From:* [email protected] [ >> mailto:[email protected] <[email protected]>] *On >> Behalf Of *Niall Brady >> *Sent:* Tuesday, September 2, 2014 3:37 AM >> *To:* [email protected] >> *Subject:* [mssms] UEFI network boot extremely slow on Surface Pro 3 >> with Microsoft USB nic. >> >> >> >> hi, >> i'm testing a surface 3 with uefi network boot (cm12 r2 CU2) and the >> download of the boot wim is extremely slow, like painfully slow, >> >> the usb nic is a microsoft nic which i got with my original surface and >> i'm using that because it seems the usb3 lenovo nics wont work with the >> Surface3 for UEFI network boot. >> >> so, is this supported or a known issue ? also is it a requirement to use >> Microsoft branded usb nics with the surface brand for UEFI network boot ? >> anyone know ? >> >> cheers >> niall. >> >> >> >> >> >> >> >> >> >> >> >> > >

