How to fix ASPNETCOMPILER(0,0): Error ASPRUNTIME: The specified path, file name, or both are too long

Question

I keep having this error. Not sure how to fix it

ASPNETCOMPILER(0,0): Error ASPRUNTIME: The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.

Here is my website.publishproj

<?xml version="1.0" encoding="utf-8"?>

<!--

---

website.publishproj

WARNING: DO NOT MODIFY this file, it is used for the web publish process.

Copyright (C) Microsoft Corporation. All rights reserved.

---

-->

<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

<PropertyGroup>

<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>

<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>

<ProductVersion>10.0.30319</ProductVersion>

<SchemaVersion>2.0</SchemaVersion>

<ProjectGuid>{8c515068-54b4-4645-968d-51735928149c}</ProjectGuid>

<!--<SourceWebPhysicalPath>$(MSBuildThisFileDirectory)</SourceWebPhysicalPath>-->

<SourceWebPhysicalPath>C:\Projects\RRP</SourceWebPhysicalPath>

<SourceWebVirtualPath>/RRP</SourceWebVirtualPath>

<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>

<SourceWebProject>http://localhost/RRP</SourceWebProject>

<SourceWebMetabasePath>/LM/W3SVC/1/ROOT/RRP</SourceWebMetabasePath>

</PropertyGroup>

<PropertyGroup>

<VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>

<!-- for VS2010 we need to use 10.5 but for VS2012+ we should use VisualStudioVersion -->

<WebPublishTargetsVersion Condition=" '$(WebPublishTargetsVersion)' =='' and '$(VisualStudioVersion)' == 10.0 ">10.5</WebPublishTargetsVersion>

<WebPublishTargetsVersion Condition=" '$(WebPublishTargetsVersion)'=='' ">$(VisualStudioVersion)</WebPublishTargetsVersion>

<VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(WebPublishTargetsVersion)</VSToolsPath>

<_WebPublishTargetsPath Condition=" '$(_WebPublishTargetsPath)'=='' ">$(VSToolsPath)</_WebPublishTargetsPath>

<AssemblyFileVersion Condition="'$(AssemblyFileVersion)' == ''">1.0.0.0</AssemblyFileVersion>

<AssemblyVersion Condition="'$(AssemblyVersion)' == ''">1.0.0.0</AssemblyVersion>

</PropertyGroup>

<ItemGroup>

<AssemblyAttributes Include="AssemblyFileVersion">

  <Value>$(AssemblyFileVersion)</Value>

</AssemblyAttributes>

<AssemblyAttributes Include="AssemblyVersion">

  <Value>$(AssemblyVersion)</Value>

</AssemblyAttributes>

</ItemGroup>

<Import Project="$(_WebPublishTargetsPath)\Web\Microsoft.WebSite.Publishing.targets" />

</Project>

Answer 1

Hi @An Vu, 

Welcome to Microsoft Q&A! 

You can see the similar issue and add this to the publish profile file: 

<AspnetCompileMergeIntermediateOutputPath>c:\shortPath\</AspnetCompileMergeIntermediateOutputPath> 

Sincerely,

Anna

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