Hello,I have a working SCCM installation in place doing mixed mode and deployed to XP and Vista clients. I am trying to do a push install of the client however I'm getting this error and no amount of searching has fixed it. The only thing I haven't tried is removing IIS, removing the management point, installing iis installing the MP. I haven't done this becuase we also have WSUS on this server and removing IIS would screw up WSUS.Here's a section of the CCM setup log from one of my vista clients.<![LOG[Running as user "SYSTEM"]LOG]!><time="12:53:49.500+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:2529"><![LOG[Detected 44177 MB free disk space on system drive.]LOG]!><time="12:53:49.500+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:459"><![LOG[DetectWindowsEmbeddedFBWF() Detecting OS Version]LOG]!><time="12:53:49.500+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:505"><![LOG[Client OS is not Windows XP Embedded]LOG]!><time="12:53:49.500+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:542"><![LOG[Ccmsetup is being restarted due to an administrative action. Installation files will be reset and downloaded again.]LOG]!><time="12:53:49.500+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:2613"><![LOG[BITS version check will not be run on Vista.]LOG]!><time="12:53:49.501+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:6699"><![LOG[Failed to successfully complete HTTP request. (StatusCode at WinHttpQueryHeaders: 401)]LOG]!><time="12:53:49.524+480" date="11-13-2008" component="ccmsetup" context="" type="3" thread="2396" file="ccmsetup.cpp:5808"><![LOG[A Fallback Status Point has not been specified. Message with STATEID='308' will not be sent.]LOG]!><time="12:53:49.524+480" date="11-13-2008" component="ccmsetup" context="" type="1" thread="2396" file="ccmsetup.cpp:9169">So obviously "Failed to successfully complete HTTP request. (StatusCode at WinHttpQueryHeaders: 401" is my error. However no amount of searching has come up with a fix for this. Can someone please give me a hand as to what I'm missingThanksEdit: Forgot to mention. SCCM 2007 SP1 | Server 2003 Enterprise R2 | mixed mode

Just on a whim I tried deleting the MP from SCCM and creating another MP role. Watched the MPsetup.log and it said the MP installed successfully and now it's distributing clients.Who knows.

Do you have WeBdav enabled on your MP? /Kent

I already found the solution and posted it. Re-installing the MP fixed it.

Thanks a bunch for this post... I was pulling my hair out on this one. Site status all 100% green, goodness knows what was up with the setup but reinstalling the MP has fixed it... Wasted hours on this "problem" - I can't wait for the next one!