An exception occurred when trying to issue security token

Security Token Service Application Error:

Problems:  Unable to Login with Claim base authentication to SharePoint 2010 Site

Errors

An exception occurred when trying to issue security token: The requested service, 'http://localhost:32843/SecurityTokenServiceApplication/securitytoken.svc' could not be activated. See the server's diagnostic trace logs for more information.

Or

WebHost failed to process a request.

 Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/15688314

 Exception: System.ServiceModel.ServiceActivationException: The service '/SecurityTokenServiceApplication/securitytoken.svc' cannot be activated due to an exception during compilation.  The exception message is: Method not found: 'System.String System.ServiceModel.Activation.Iis7Helper.ExtendedProtectionDotlessSpnNotEnabledThrowHelper(System.Object)'.. ---> System.MissingMethodException: Method not found: 'System.String System.ServiceModel.Activation.Iis7Helper.ExtendedProtectionDotlessSpnNotEnabledThrowHelper(System.Object)'.

   at System.ServiceModel.WasHosting.MetabaseSettingsIis7V2.WebConfigurationManagerWrapper.BuildExtendedProtectionPolicy(ExtendedProtectionTokenChecking tokenChecking, ExtendedProtectionFlags flags, List`1 spnList)

   at System.ServiceModel.WasHosting.MetabaseSettingsIis7V2.WebConfigurationManagerWrapper.GetExtendedProtectionPolicy(ConfigurationElement element)

   at System.ServiceModel.WasHosting.MetabaseSettingsIis7V2.ProcessWindowsAuthentication(String siteName, String virtualPath, HostedServiceTransportSettings& transportSettings)

   at System.ServiceModel.WasHosting.MetabaseSettingsIis7V2.CreateTransportSettings(String relativeVirtualPath)

   at System.ServiceModel.Activation.MetabaseSettingsIis.GetTransportSettings(String virtualPath)

   at System.ServiceModel.Activation.MetabaseSettingsIis.GetAuthenticationSchemes(String virtualPath)

   at System.ServiceModel.Channels.HttpChannelListener.ApplyHostedContext(VirtualPathExtension virtualPathExtension, Boolean isMetadataListener)

   at System.ServiceModel.Channels.HttpTransportBindingElement.BuildChannelListener[TChannel](BindingContext context)

   at System.ServiceModel.Channels.BindingContext.BuildInnerChannelListener[TChannel]()

   at System.ServiceModel.Channels.MessageEncodingBindingElement.InternalBuildChannelListener[TChannel](BindingContext context)

   at System.ServiceModel.Channels.BinaryMessageEncodingBindingElement.BuildChannelListener[TChannel](BindingContext context)

   at System.ServiceModel.Channels.BindingContext.BuildInnerChannelListener[TChannel]()

   at System.ServiceModel.Channels.Binding.BuildChannelListener[TChannel](Uri listenUriBaseAddress, String listenUriRelativeAddress, ListenUriMode listenUriMode, BindingParameterCollection parameters)

   at System.ServiceModel.Description.DispatcherBuilder.MaybeCreateListener(Boolean actuallyCreate, Type[] supportedChannels, Binding binding, BindingParameterCollection parameters, Uri listenUriBaseAddress, String listenUriRelativeAddress, ListenUriMode listenUriMode, ServiceThrottle throttle, IChannelListener& result, Boolean supportContextSession)

   at System.ServiceModel.Description.DispatcherBuilder.BuildChannelListener(StuffPerListenUriInfo stuff, ServiceHostBase serviceHost, Uri listenUri, ListenUriMode listenUriMode, Boolean supportContextSession, IChannelListener& result)

   at System.ServiceModel.Description.DispatcherBuilder.InitializeServiceHost(ServiceDescription description, ServiceHostBase serviceHost)

   at System.ServiceModel.ServiceHostBase.InitializeRuntime()

   at Microsoft.IdentityModel.Protocols.WSTrust.WSTrustServiceHost.InitializeRuntime()

   at System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout)

   at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.ActivateService(String normalizedVirtualPath)

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath)

   --- End of inner exception stack trace ---

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath)

   at System.ServiceModel.ServiceHostingEnvironment.EnsureServiceAvailableFast(String relativeVirtualPath)

 Process Name: w3wp

 Process ID: 4780

Solution: Uninstall Security Update No. - KB2756920

http://blogs.technet.com/b/praveenh/archive/2013/01/15/issue-found-with-net-framework-3-5-1-security-update-kb2756920.aspx

Hide Sign in as Different User in SharePoint 2010

Hide sign in as Different User action on welcome menu using customization of welcome control

Open WelCome.ascx file in visual studio. you found this file in controltemplates folder. We want to show only sign out option for welcome menu. Remove menu templates as per your required and save as "Custom_Welcome.ascx"

<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Import Namespace="Microsoft.SharePoint" %> <%@ Assembly Name="Microsoft.Web.CommandUI, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %><%@ Control Language="C#" Inherits="Microsoft.SharePoint.WebControls.Welcome,Microsoft.SharePoint,Version=14.0.0.0,Culture=neutral,PublicKeyToken=71e9bce111e9429c"   AutoEventWireup="false" compilationMode="Always" %>  <SharePoint:PersonalActions accesskey="<%$Resources:wss,personalactions_menu_ak%>" ToolTip="<%$Resources:wss,open_menu%>" runat="server" id="ExplicitLogout" Visible="false"> <CustomTemplate> <SharePoint:FeatureMenuTemplate runat="server" FeatureScope="Site" Location="Microsoft.SharePoint.StandardMenu" GroupId="PersonalActions" id="ID_PersonalActionMenu" UseShortId="true" > <SharePoint:MenuItemTemplate runat="server" id="ID_Logout" Text="<%$Resources:wss,personalactions_logout%>" Description="<%$Resources:wss,personalactions_logoutdescription%>" MenuGroupId="200" Sequence="300" UseShortId="true" />   </SharePoint:FeatureMenuTemplate> </CustomTemplate></SharePoint:PersonalActions><SharePoint:ApplicationPageLink runat="server" id="ExplicitLogin" ApplicationPageFileName="Authenticate.aspx" AppendCurrentPageUrl="true" Text="<%$Resources:wss,login_pagetitle%>" style="display:none" Visible="false" />

Open site master page on page search for register tag of  welcome control

<%@ Register TagPrefix="wssuc" TagName="Welcome" src="~/_controltemplates/Welcome.ascx" %>
replace with src="~/_controltemplates/Custom_Welcome.ascx" %>

Refresh the page and get happy...