My system crashed a couple of days ago, since then when I try to debug local Azure environment I get this error 'Could not load file or assembly 'Microsoft.WindowsAzure.Diagnostics' or one of its dependencies'.
I have reinstalled the following (Windows Azure tools for MS VS 2012 June 2012 sp1, Windows Azure emulator - June 2012, Windows Azure Librarires for .net - June 2012).
Still having the same issues, any suggestions.
=== Pre-bind state information ===
LOG: User = ...........
LOG: DisplayName = Microsoft.WindowsAzure.Diagnostics
(Partial)
WRN: Partial binding information was supplied for an assembly:
WRN: Assembly Name: Microsoft.WindowsAzure.Diagnostics | Domain ID: 2
WRN: A partial bind occurs when only part of the assembly display name is provided.
WRN: This might result in the binder loading an incorrect assembly.
WRN: It is recommended to provide a fully specified textual identity for the assembly,
WRN: that consists of the simple name, version, culture, and public key token.
WRN: See whitepaper http://go.microsoft.com/fwlink/?LinkId=109270 for more information and common solutions to this issue.
LOG: Appbase = file:///C:/Projects/Client/Connection Intelegence/CICloud/CIWebRole/
LOG: Initial PrivatePath = C:\Projects\Client\Connection Intelegence\CICloud\CIWebRole\bin
Calling assembly : (Unknown).
===
LOG: This bind starts in default load context.
LOG: Using application configuration file: C:\Projects\Client\Connection Intelegence\CICloud\CIWebRole\web.config
LOG: Using host configuration file: C:\Program Files\IIS Express\config\templates\PersonalWebServer\aspnet.config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v4.0.30319\config\machine.config.
LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/Temporary ASP.NET Files/root/9cc4e65f/1fb72ae3/Microsoft.WindowsAzure.Diagnostics.DLL.
LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/Temporary ASP.NET Files/root/9cc4e65f/1fb72ae3/Microsoft.WindowsAzure.Diagnostics/Microsoft.WindowsAzure.Diagnostics.DLL.
LOG: Attempting download of new URL file:///C:/Projects/Client/Connection Intelegence/CICloud/CIWebRole/bin/Microsoft.WindowsAzure.Diagnostics.DLL.
LOG: Using application configuration file: C:\Projects\Client\Connection Intelegence\CICloud\CIWebRole\web.config
LOG: Using host configuration file: C:\Program Files\IIS Express\config\templates\PersonalWebServer\aspnet.config
LOG: Using machine configuration file from C:\Windows\Microsoft.NET\Framework64\v4.0.30319\config\machine.config.
LOG: Post-policy reference: Microsoft.WindowsAzure.Diagnostics, Version=1.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
[FileLoadException: Could not load file or assembly 'Microsoft.WindowsAzure.Diagnostics' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))]
[FileLoadException: Could not load file or assembly 'Microsoft.WindowsAzure.Diagnostics, Version=1.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))]
System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +0
System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) +210
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection) +242
System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) +17
System.Reflection.Assembly.Load(String assemblyString) +35
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +122
[ConfigurationErrorsException: Could not load file or assembly 'Microsoft.WindowsAzure.Diagnostics, Version=1.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))]
System.Web.Configuration.CompilationSection.LoadAssemblyHelper(String assemblyName, Boolean starDirective) +12761078
System.Web.Configuration.CompilationSection.LoadAllAssembliesFromAppDomainBinDirectory() +503
System.Web.Configuration.AssemblyInfo.get_AssemblyInternal() +142
System.Web.Compilation.BuildManager.GetReferencedAssemblies(CompilationSection compConfig) +334
System.Web.Compilation.BuildManager.CallPreStartInitMethods(String preStartInitListPath) +203
System.Web.Compilation.BuildManager.ExecutePreAppStart() +152
System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters, PolicyLevel policyLevel, Exception appDomainCreationException) +1151
[HttpException (0x80004005): Could not load file or assembly 'Microsoft.WindowsAzure.Diagnostics, Version=1.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +12881540
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +159
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +12722601
It looks like this is happening when your application starts. Take a look at your web.config, do you have a trace listener pointing to the Microsoft.WindowsAzure.Diagnostics assembly? That might be the reason why your application is not working.
First, take a look at your assembly references and delete Microsoft.WindowsAzure.Diagnostics should it be present (just to be sure we don't use old versions). Then, add a reference to Microsoft.WindowsAzure.Diagnostics, but make sure this is version 1.7.0.0.
You should find the right version of this assembly in: C:\Program Files\Microsoft SDKs\Windows Azure.NET SDK\2012-06\ref
Adding to Sandrinio's answer (sorry I don't have privilege) I had a similar error where 1.7.0.0 was being referenced but this section in my web.config pointed to version 1.0.0.0
<system.diagnostics>
<trace>
<listeners>
<add type="Microsoft.WindowsAzure.Diagnostics.DiagnosticMonitorTraceListener, Microsoft.WindowsAzure.Diagnostics, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
name="AzureDiagnostics">
<filter type="" />
</add>
</listeners>
</trace>
I commented it out and the problem was resolved.
I know this is an old topic but it's still the top Google result for "Could not load file or assembly Microsoft.WindowsAzure.Diagnostics", so here is what I did:
This was happening to me with the Azure SDK 2.7.1 and Visual Studio 2013. Somewhere between upgrading to Windows 10 and Azure SDK 2.7, something didn't get installed right. I tried reinstalling the Azure SDK, upgrading to Visual Studio 2015 but neither worked. I finally had to change the following line in my app.config:
<system.diagnostics>
<trace>
<listeners>
<add type="Microsoft.WindowsAzure.Diagnostics.DiagnosticMonitorTraceListener, Microsoft.WindowsAzure.Diagnostics, Version=2.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="AzureDiagnostics">
<filter type="" />
</add>
</listeners>
</trace>
</system.diagnostics>
to
<system.diagnostics>
<trace>
<listeners>
<add type="Microsoft.WindowsAzure.Diagnostics.DiagnosticMonitorTraceListener, Microsoft.WindowsAzure.Diagnostics, Version=2.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="AzureDiagnostics">
<filter type="" />
</add>
</listeners>
</trace>
</system.diagnostics>
Notice the change from "2.7.0.0" to "2.5.0.0". For me, Microsoft.WindowsAzure.Diagnostics 2.7.0.0 DLL did not exist. Reverting back to 2.5.0.0 works fine. I'd still like to find the root cause but I have more important things to move on to. Hope this helps!
It might be best to check the properties of Microsoft.WindowsAzure.Diagnostics to see which version you're using. Mine says 2.8.0.0 when I plugged that into the Web.config element mentioned by Dan and Taylor above it worked. 2.7.0.0 didn't work for me 2.8.0.0 did but tomorrow it may be otherwise ;-).
I looked at the references and discovered that Microsoft.WindowsAzure.Diagnostics is used by the roles. In my case, the roles were using 2.8.0.0. I then opened the app.config of each role and set the add for Microsoft.WindowsAzure.Diagnostics to that same version.
<system.diagnostics>
<trace>
<listeners>
<add type="Microsoft.WindowsAzure.Diagnostics.DiagnosticMonitorTraceListener, Microsoft.WindowsAzure.Diagnostics, Version=2.8.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" name="AzureDiagnostics">
<filter type="" />
</add>
</listeners>
</trace>
</system.diagnostics>
来源：https://stackoverflow.com/questions/12772858/could-not-load-file-or-assembly-microsoft-windowsazure-diagnostics-or-one-of-i