WDS

PXE Boot image | slow download time

Our good friend Heinrich wrote a great article back in 2014. https://thedesktopteam.com/heinrich/sccm-2012-boost-pxe-deployments-speed/ Recently I have been tasked to deploy some Surface Pro 5 devices and the PXE Boot image was taking just over 7 minutes to download. My goal was to reduce it as much as possible, but at the same time keep the integrity of the PXE Boot process. I found this fantastic post by Jörgen Nilsson http://ccmexec.com/2016/09/tweaking-pxe-boot-times-in-configuration-manager-1606/ it includes a table with his tests and the resulting speeds. In my case with multiple device models including the Surface Pro 5 I decided to go for 8 as my value for the key bellow. The 7minute download became a 1min 37sec download. Location: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS\DPName: RamDiskTFTPWindowSizeType: REG_DWORD The default value is 1 (1 data block fills the window) I was unable to use the RamDiskTFTPBlockSize registry key, as setting any values to it made the pxe boot fail. Do not…

SCCM 2012 R2 PXE fails (WDS Crash)

Players, Last week I was asked to look into PXE boot issue that a friend of mine was experiencing, in his own words he explained that “PXE boots were working fine until” … he recently built a new Windows 2008 R2 box (No idea why he didn’t use 2012 R2 …). It wasn’t a boundary group issue, as this problem was intermittent. And was sometimes fixed reboot of the server. He passed over a bunch of log files, and the following error stuck out. Log Name: Application Source: WDSServer Event ID: 512 Task Category: WDSServer Description: An error occurred while trying to initialize provider WdsImgSrv from C:\Windows\system32\WdsImgSrv.dll. Since this provider is not marked as critical, Windows Deployment Services server will continue. As well as this … Log Name: Application Source: WDSIMGSRV Event ID: 258 Task Category: WdsImgSrv Level: Error Description: An error occurred while trying to initialize the Windows Deployment Services…