title: MSBUILD : error MSB1009: Project file does not exist
body: <p>I am trying to implement CI (Continuous Integration) using TFS for my ASP.NET website (Website Project). I am constantly getting following errors for days. Following is the full log. Its simply not getting latest version to the local directory, that's why its giving error....MSBUILD : error MSB1009: Project file does not exist. I have checked that TFS is not getting latest version, I am not sure why...!!!!</p>
  
  <p>Any help is truly appreciated, Thank You in advance.</p>
  
  <pre><code>2018-02-26T22:18:13.2365258Z ##[section]Starting: Build
  2018-02-26T22:18:13.2385315Z Current agent version: '2.117.2'
  2018-02-26T22:18:13.5846688Z ##[section]Starting: Initialize Job
  2018-02-26T22:18:13.5926727Z Prepare build directory.
  2018-02-26T22:18:13.6386956Z Set build variables.
  2018-02-26T22:18:13.6457073Z Download all required tasks.
  2018-02-26T22:18:13.6878173Z ##[section]Finishing: Initialize Job
  2018-02-26T22:18:13.7139315Z ##[section]Starting: Get Sources
  2018-02-26T22:18:13.7831194Z Prepending Path environment variable with 
  directory containing 'tf.exe'.
  2018-02-26T22:18:13.7841199Z Querying workspace information.
  2018-02-26T22:18:14.8803708Z ##[command]tf vc workspace /delete 
  ws_3_398;91fe1581-91d7-4cee-bb0c-81e67ca0f83a 
  /collection:https://tfs.ups.com/tfs/UpsProd/ /loginType:OAuth 
  /login:.,******** /noprompt
  2018-02-26T22:18:18.9914765Z ##[command]tf vc workspace /new /location:local 
  /permission:Public ws_3_398 /collection:https://tfs.ups.com/tfs/UpsProd/ 
  /loginType:OAuth /login:.,******** /noprompt
  2018-02-26T22:18:20.8991396Z ##[command]tf vc workfold /unmap 
  /workspace:ws_3_398 $/ /collection:https://tfs.ups.com/tfs/UpsProd/ 
  /loginType:OAuth /login:.,******** /noprompt
  2018-02-26T22:18:21.9989171Z ##[command]tf vc workfold /map 
  /workspace:ws_3_398 "$/P04C/CRMSA_ESTAT_ESP_SRC/Tools/ESP Website" 
  "D:\UAMCAgent\_work\3\s\ESP Website" 
  /collection:https://tfs.ups.com/tfs/UpsProd/ /loginType:OAuth 
  /login:.,******** /noprompt
  2018-02-26T22:18:22.7551176Z ##[command]tf vc get /version:2028385 
  /recursive /overwrite D:\UAMCAgent\_work\3\s /loginType:OAuth 
  /login:.,******** /noprompt
  2018-02-26T22:18:23.6383909Z All files are up to date.
  2018-02-26T22:18:23.6615759Z ##[section]Finishing: Get Sources
  2018-02-26T22:18:23.6636095Z ##[section]Starting: Build solution
  
  2018-02-26T22:18:23.6716308Z 
  2018-02-26T22:18:23.6716308Z Task         : Visual Studio Build
  2018-02-26T22:18:23.6716308Z Description  : Build with MSBuild and set the 
  Visual Studio version property
  2018-02-26T22:18:23.6716308Z Version      : 1.119.0
  2018-02-26T22:18:23.6716308Z Author       : Microsoft Corporation
  2018-02-26T22:18:23.6716308Z Help         : [More Information]
  (https://go.microsoft.com/fwlink/?LinkID=613727)
  2018-02-26T22:18:23.6716308Z 
  2018-02-26T22:18:26.0666962Z ##
  [command]"D:\UAMCAgent\_work\_tasks\VSBuild_71a9a2d3-a98a-4caa-96ab-
  affca411ecda\1.119.0\ps_modules\MSBuildHelpers\vswhere.exe" -version 
  [15.0,16.0) 
  -latest -format json
  2018-02-26T22:18:26.3567330Z ##[command]"C:\Program Files (x86)\Microsoft Visual 
  Studio\2017\Professional\MSBuild\15.0\Bin\amd64\msbuild.exe" 
  "D:\UAMCAgent\_work\3\s\ESP Website\ESP_WEB.sln" /nologo /nr:false 
  /dl:CentralLogger,"D:\UAMCAgent\_work\_tasks\VSBuild_71a9a2d3-a98a-4caa-
  96ab-
  
    tedTask.MSBuild.Logger.dll";"RootDetailId=0ff9d26a-993f-4bb6-a05a-
  582b3d0d7a52|SolutionDir=D:\UAMCAgent\_work\3\s\ESP 
  Website"*ForwardingLogger,"D:\UAMCAgent\_work\_tasks\VSBuild_71a9a2d3-a98a-
  4caa-96ab-
  
  
  tedTask.MSBuild.Logger.dll" /p:DeployOnBuild=true 
  /p:WebPublishMethod=Package 
  /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true 
  /p:PackageLocation="D:\UAMCAgent\_work\3\a\\" /p:platform="any cpu" 
  /p:configuration="release" /p:VisualStudioVersion="15.0" 
  /p:_MSDeployUserAgent="TFS_b14eb634-1b27-4e21-8f9e-
  13237b04eab7_build_831_73513"
  2018-02-26T22:18:26.4365554Z MSBUILD : error MSB1009: Project file does not 
  exist.
  2018-02-26T22:18:26.4365554Z Switch: D:\UAMCAgent\_work\3\s\ESP 
  Website\ESP_WEB.sln
  2018-02-26T22:18:26.5830048Z ##[error]Process 'msbuild.exe' exited with code 
  '1'.
  2018-02-26T22:18:26.6361526Z ##[section]Finishing: Build solution
  2018-02-26T22:18:26.6381598Z ##[section]Starting: Post Job Cleanup
  2018-02-26T22:18:26.6451749Z ##[section]Finishing: Post Job Cleanup
  2018-02-26T22:18:26.6501892Z ##[section]Finishing: Build
  </code></pre>