Leo Tang MSFT. Hi, Could you please post your web.Thanks. Its erroring at ltsystem.If you are using IIS 7.IIS and save it directly to your web.Prior to IIS 7, Microsofts Internet Information Services stores its information in an internal database called the MetaBase.The metabase is an inheritable.Caching Microsoft Docs.Overview. The lt caching element allows you to enable or disable page output caching for an Internet Information Services IIS 7 application.This element also allows you to configure whether IIS caches page output in user mode, kernel mode, or both and what, if any, output caching limits you want to impose.The lt caching element also contains a lt profiles element that contains a collection of output cache settings that you can apply to ASP.NET pages. Page output caching stores a response of a dynamic page, such as an ASP page or an ASP.NET page, in memory after a browser requests it.When subsequent requests arrive for the page, the server sends the cached response instead of re processing the page.The ASP. NET page output cache is separate from the IIS 7 output cache.Select File Save As and browse to the IIS folder, by default the Cinetpubwwwroot is the IIS folder.Select the Save as type to All types.In applications that use the Integrated ASP.NET mode, the ASP.NET page output cache can be used programmatically for any content type, much like the IIS 7 output cache.Page output caching reduces server load and response time.Output caching works best with pages that are semi dynamic, such as an ASP.How To Edit Web Config In Iis Manager' title='How To Edit Web Config In Iis Manager' />NET page that is dependent on a database table that does not change often.Output caching is unnecessary for static files, such as HTML, JPG, or GIF files, and can cause more memory overhead for dynamic ASP.NET or PHP pages that read from a database that changes frequently.Compatibility. Version.Notes. IIS 1. 0. 0.The lt caching element was not modified in IIS 1.IIS 8. 5. The lt caching element was not modified in IIS 8.IIS 8. 0. The lt caching element was not modified in IIS 8.IIS 7. 5. The lt caching element was not modified in IIS 7.IIS 7. 0. The lt caching element was introduced in IIS 7.IIS 6. 0. NASetup.The lt caching element is included in the default installation of IIS 7.How To. How to configure page output caching.Open Internet Information Services IIS Manager If you are using Windows Server 2.Windows Server 2.R2 On the taskbar, click Server Manager, click Tools, and then click Internet Information Services IIS Manager.If you are using Windows 8 or Windows 8.Hold down the Windows key, press the letter X, and then click Control Panel.Click Administrative Tools, and then double click Internet Information Services IIS Manager.If you are using Windows Server 2.Windows Server 2.R2 On the taskbar, click Start, point to Administrative Tools, and then click Internet Information Services IIS Manager.If you are using Windows Vista or Windows 7 On the taskbar, click Start, and then click Control Panel.Double click Administrative Tools, and then double click Internet Information Services IIS Manager.In the Connections pane, go to the connection, site, application, or directory for which you want to configure page output caching.In the Home pane, scroll to Output Caching, and then double click Output Caching.In the Actions pane, click Add.In the Add Cache Rule dialog box, type the file name extension you want to cache in the File name extension box, and then select the User mode caching option, the Kernel mode caching option, or both.Select the options that you want to use for caching, and then click OK.Configuration. You can configure the lt caching element at the server level in the Application.Host. config file or at the site, application, or at the directory level in a Web.Attributes. Attribute.Descriptionenabled.Optional Boolean attribute.Specifies whether page output caching is enabled.The default value is true.Kernel. Cache. Optional Boolean attribute.Specifies whether kernel caching is enabled.The default value is true.Cache. Size. Optional uint attribute.Specifies the maximum size of the output cache.Note This setting is effective only at the level of the Application.Host. config file.If you set this property at a lower level, it will have no effect.The default value is 0.Response. Size. Optional uint attribute.Specifies the maximum response size that can be cached.Note This setting is effective only at the level of the Application.Host. config file.If you set this property at a lower level, it will have no effect.The default value is 2.Child Elements. Element.Descriptionprofiles.Optional element.Contains a group of output cache settings that can be applied to ASP.NET pages. Configuration Sample.The following configuration example enables user mode caching and kernel mode caching, both of which are enabled by default in IIS 7.It also uses the lt add element contained by the lt profiles element to enable output caching for files with the.It also uses the policy attribute to output cache the page until it changes it does the same for kernel caching using the kernel.Cache. Policy attribute.Server. lt caching enabledtrue enable.Kernel. Cachetrue.Cache. Until. Change kernel.Cache. PolicyCache.Until. Change. Server.The following code example sets the maximum output cache size to 1 gigabyte and sets the maximum size of a response that can be stored in the output cache to 5.Server. lt caching enabledtrue enable.Kernel. Cachetrue max.Cache. Size1. 00.Response. Size5. Server.Sample Code. The following examples configure page output caching for files with the.IIS to cache in user mode and kernel mode until ASP files change.App. Cmd. exeappcmd.Servercaching profiles.Cache. Until. Change,kernel.Cache. PolicyCache.Until. Change commit apphost.Note. You must be sure to set the commit parameter to apphost when you use App.Cmd. exe to configure these settings.This commits the configuration settings to the appropriate location section in the Application.Host. config file.Cusing System. using System.Text. using Microsoft.Web. Administration.Sample. private static void Main.Server. Manager server.Manager new Server.Manager. Configuration config server.Manager. Get. Application.Host. Configuration.Configuration. Section caching.Section config. Get.Sectionsystem. Servercaching.Configuration. Element.Collection profiles.Collection caching.Section. Get. Collectionprofiles.Configuration. Element add.Element profiles.Collection. Create.Elementadd. add. Elementextension asp.Elementpolicy Cache.Until. Change. add.Elementkernel. Cache.Policy Cache. Until.Change. profiles.Collection. Add. At0, add.Element. server. Manager.Commit. Changes. VB.NETImports System.Imports System. Text.Imports Microsoft.Web. Administration.Dim server. Manager As Server.Manager New Server.Manager. Dim config As Configuration server.Manager. Get. Application.Host. Configuration.Dim caching. Section As Configuration.Section config. Get.Sectionsystem. Servercaching.Dim profiles. Collection As Configuration.Element. Collection caching.Section. Get. Collectionprofiles.Dim add. Element As Configuration.Element profiles.Collection. Create.Elementadd. add. Elementextension asp.Elementpolicy Cache.Until. Change. add.Elementkernel. Cache.Policy Cache. Until.Change. profiles.Collection. Add. At0, add.Element. server. Manager.Commit. Changes. Java.Scriptvar admin. Manager new Active.XObjectMicrosoft.Application. Host.Writable. Admin. Manager.Manager. Commit. Path MACHINEWEBROOTAPPHOST.Section admin. Manager.Get. Admin. Sectionsystem.Servercaching, MACHINEWEBROOTAPPHOST.Collection caching.Section. Child. Elements. Final Destination 6 Full Movie Download In Mp4 Videos . Itemprofiles. Collection.Element profiles.Collection. Create.New. Elementadd. Element.Properties. Itemextension.Value asp. add. Element.Properties. Itempolicy.Value Cache. Until.Change. add. Element.Properties. Itemkernel.Cache. Policy. Value Cache.Until. Change. profiles.Collection. Add. Elementadd.Element, 0. admin.Manager. Commit. Changes.VBScript. Set admin.Manager create. ObjectMicrosoft.Application. Host.Writable. Admin. Manager.Manager. Commit. Path MACHINEWEBROOTAPPHOST.Set caching. Section admin.Manager. Get. Admin.Sectionsystem. web.Servercaching, MACHINEWEBROOTAPPHOST.Set profiles. Collection caching.Section. Child. Elements.Itemprofiles. Collection.Set add. Element profiles.Collection. Create.New. Elementadd. Element.Properties. Itemextension.Value asp. add. Element.Properties. Itempolicy.Value Cache. Until.Change. add. Unable to launch the IIS Express Web server.In my situation, the IIS Express applicationhost.Runtime. Version attribute of several elements.This was happening for both Visual Studio 2.Visual Studio 2. 01.I only received the first part of the message, stating Unable to launch the IIS Express Web server.It logged an error in the event log with the message The worker process failed to pre load.Net Runtime version v.The correct runtime version is v.The steps I took to correct Navigate to C UsersDocumentsIISExpressconfig.Edit applicationhost.Find the config section.Correct any references to v.Visual Studio successfully started IIS Express the next time I debugged a web application.
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