How to fix common errors in sitecore

Check Connection strings in \Website\App_Config\ConnectionStrings.config

The network path was not found

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.ComponentModel.Win32Exception: The network path was not foundSource Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[Win32Exception (0x80004005): The network path was not found]

[SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]

System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +671

System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +116

System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +1012

System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +6711619

System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +152

System.Data.SqlClient.SqlConnection.Open() +229

System.Web.DataAccess.SqlConnectionHolder.Open(HttpContext context, Boolean revertImpersonate) +150

System.Web.DataAccess.SqlConnectionHelper.GetConnection(String connectionString, Boolean revertImpersonation) +4874450

System.Web.Security.SqlMembershipProvider.GetUser(String username, Boolean userIsOnline) +1729

Sitecore.Security.SitecoreMembershipProvider.GetUser(String username, Boolean userIsOnline) +51

System.Web.Security.Membership.GetUser(String username, Boolean userIsOnline) +175

Sitecore.Security.Domains.Domain.CreateAnonymousUserIfNeeded() +56

Sitecore.Pipelines.Loader.EnsureAnonymousUsers.Process(PipelineArgs args) +143

(Object , Object[] ) +80

Sitecore.Pipelines.CorePipeline.Run(PipelineArgs args) +191

Sitecore.Nexus.Web.HttpModule.Application_Start() +160

Sitecore.Nexus.Web.HttpModule.Init(HttpApplication app) +619

System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +530

System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +304

System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +404

System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +475

[HttpException (0x80004005): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]

System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +12881540

System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +159

System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +12722601

It’s because .net framework 4.5 is installed on the server

Change the \Website\Web.config

Server Error in '/' Application.

Object of type 'System.Int32' cannot be converted to type 'System.Web.Security.Cryptography.Purpose'.

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.ArgumentException: Object of type 'System.Int32' cannot be converted to type 'System.Web.Security.Cryptography.Purpose'.

Source Error:

An unhandled exception was
    generated during the execution of the current web request. Information
    regarding the origin and location of the exception can be identified using
    the exception stack trace below.

Stack Trace:

[ArgumentException: Object of type 'System.Int32' cannot be converted to type 'System.Web.Security.Cryptography.Purpose'.]

   System.RuntimeType.TryChangeType(Object value, Binder binder, CultureInfo culture, Boolean needsSpecialCast) +185

   System.Reflection.MethodBase.CheckArguments(Object[] parameters, Binder binder, BindingFlags invokeAttr, CultureInfo culture, Signature sig) +122

   System.Reflection.RuntimeMethodInfo.InvokeArgumentsCheck(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +206

   System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +126

   Sitecore.SecurityModel.Cryptography.CookieProtectionHelperWrapper.Encode(CookieProtection cookieProtection, Byte[] buf, Int32 count) +175

   Sitecore.sitecore.login.LoginPage.WriteCookie(String name, String value) +94

   Sitecore.sitecore.login.LoginPage.Login_LoggingIn(Object sender, LoginCancelEventArgs e) +133

   System.Web.UI.WebControls.Login.AttemptLogin() +108

   System.Web.UI.WebControls.Login.OnBubbleEvent(Object source, EventArgs e) +93

   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +84

   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3804

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.17929

Azadeh Khojandi

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How to fix common errors in sitecore

Server Error in '/' Application.

Object of type 'System.Int32' cannot be converted to type 'System.Web.Security.Cryptography.Purpose'.