We have mentioned a shared folder as Virutal Path folder during CMS 5 SP1 installation.While running the application, it threw the following error. There are 2 servers in production both runningWin 2003 Server. Both are not domain servers, but standalone workgroups. User permissions forASPNEt and Network Service has been given. Please help me to solve this problem.

 Server Error in '/' Application.      
Logon failure: unknown user name or bad password. Description: An unhandled exception occurred during the execution of the current web request. 
Please review the stack trace for more information about the error and where it originated in the code.   
Exception Details: System.IO.IOException: Logon failure: unknown user name or bad password.   
Source Error:   [No relevant source lines]   
Source File: c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\e8d34805\e15ead46\App_global.asax.xjnwovc0.0.cs    Line: 0   
Stack Trace:   [IOException: Logon failure: unknown user name or bad password. ]    System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +2056933    System.IO.Directory.InternalCreateDirectory(String fullPath, String path, DirectorySecurity dirSecurity) +2759940    System.IO.DirectoryInfo.Create() +15    EPiServer.Web.Hosting.VirtualPathUnifiedProvider.GetAndValidatePhysicalPathBase(String physicalPath) +119    EPiServer.Web.Hosting.Versioning.VersioningFileSystem.Init(NameValueCollection config) +107    EPiServer.Web.Hosting.VirtualPathVersioningProvider..ctor(String name, NameValueCollection configParameters) +153  [TargetInvocationException: Exception has been thrown by the target of an invocation.]    System.RuntimeMethodHandle._InvokeConstructor(Object[] args, SignatureStruct& signature, IntPtr declaringType) +0    System.RuntimeMethodHandle.InvokeConstructor(Object[] args, SignatureStruct signature, RuntimeTypeHandle declaringType) +13    System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +366    System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +1036    System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +114    EPiServer.Web.Hosting.VirtualPathHandler.CreateVirtualPathProviderInstance(ProviderSettings providerSettings) +290    EPiServer.Web.Hosting.VirtualPathHandler.InitializeProviders(ProviderSettingsCollection providers) +178    EPiServer.Global.InitializeVirtualPathProviders() +117    EPiServer.Global..ctor() +504    EPiServer.Templates.Global..ctor() +4    ASP.global_asax..ctor() in c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\e8d34805\e15ead46\App_global.asax.xjnwovc0.0.cs:0  [TargetInvocationException: Exception has been thrown by the target of an invocation.]    System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck) +0    System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache) +103    System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache) +268    System.Activator.CreateInstance(Type type, Boolean nonPublic) +66    System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +1036    System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +114    System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +197    System.Web.HttpApplicationFactory.GetSpecialApplicationInstance() +27    System.Web.HttpApplicationFactory.FireApplicationOnStart(HttpContext context) +3460678    System.Web.HttpApplicationFactory.EnsureAppStartCalled(HttpContext context) +125    System.Web.HttpApplicationFactory.GetApplicationInstance(HttpContext context) +99    System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +350       Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433