The main reason why this error occurs is renaming the database after installation of CMS or database malfunction caused by improper creation of it’s part. Recreating site using Web installer should solve the problem.
There are no hardware requirements for running Kentico CMS. However there are some software requirements. Please see here for details:
System requirements.
So in other words, the minimum hardware required is that which will allow you to install and run required software and components.
However, recommended hardware configuration always depends on the particular project, its configuration (single server, web farm, load balancing), its size, expected traffic, the nature of the content, number of visitors, and so on.
You can use our performance reports as guidance:
Kentico CMS 6.0 Performance report
Kentico CMS 5.5 Performance report
Kentico CMS 5.0 Performance report
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The missing assembly reference is usually caused by the missing component
MSCharts. Please make sure you have it installed. Otherwise, please install it from
here.
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It is a common issue on IIS 7 installations because the
Static Content option is not enabled by default. You need to check this Windows setting to apply stylesheets and display images which are parts of the application's static content. Please see this article:
Do not forget to check static content service for more information.
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This issue is related to 6.0 version of Kentico CMS. It may occur if you install Kentico into the same directory in the Program Files directory, by default it is:
C:\Program Files (x86)\KenticoCMS\6.0
In case you have a beta version already installed in this directory, the server error “CS0111: Type 'CMSModuleLoader' already defines a member called 'CMSModuleLoader' with the same parameter types” is thrown. To fix it you need to remove the previous installation or select a different installation folder.
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To solve this issue you should edit your web.config file and try to find this tag:
<httpRuntime executionTimeout="xxx" />
If you find it, try to increase the executionTimeout attribute value.
If the tag is not present in the web.config. Add it in the <system.web> section with executionTimeout attribute value set to 150 or higher.
If you are getting this error message after you installed Kentico CMS and you are trying to open the site in a web browser, please see
this article to learn how to solve this issue.
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If you have previously uninstalled and reinstalled ASP.NET on the server, this issue may be caused by the ASP.NET Web Service Extensions permissions had been reset to “Prohibited”. Please change it to 'Allowed' instead. You can find more details at
http://support.microsoft.com/kb/315122
This error message occurs if you don't have sufficient permissions for writing to disk. Please check disk permissions of process used by application.
This error can be caused by some content in the App_Data folder. Could you please try to delete content of ~\App_Data\CMSTemp directory in appropriate project folder and then try to import again?
Could you please check unless you use SSL? You may see it when you edit content root -> Properties -> Security -> Requires SSL
If so, please configure it to “No” and check the live site. If it is all right now, you did not configure SSL properly. Please see this article for more information about SSL configuration on your server.
This issue is most probably caused by Kentico CMS site has been put into sub-directory of another web site and is inheriting web.config setting from parent folder. If you use same version of 'system.web.extensions' library in parent folder, you can just remove following line from web.config file of Kentico CMS site:
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
Otherwise you can change following lines:
<configSections>
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
to:
<configSections>
<clear/>
<sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
If you’re running on Windows Vista and all IIS settings are correct, please check if you have the Service Pack (at least SP1) applied. Installation of the Service Pack should solve this issue (confirmed for Vista Ultimate, 64-bit, IIS7.0).
You can specify max file size by setting max request length parameter in the web.config file. Please open the web.config file, find the <system.web> section and insert the following line into it:
<httpRuntime maxRequestLength="8000"/>
This will increase the max file size to 8MB. You can find more information at: http://msdn2.microsoft.com/en-us/library/e1f13641(vs.71).aspx.
Please see also The IIS6/7 is set by default to allow only 30MB files to be uploaded article.
If you are importing documents to an existing site, only new documents are imported and created. Existing documents are not updated. For this you can remove the site and import the package as a new one or use content staging -
www.kentico.com/docs/devguide/overview11.htm
You need to insert the license as you have recieved it. This means also with the domain name, product and expiration. Please make sure you are entering license for appropriate version (2.x, 3.x, 4.x, etc.) and that there are no white spaces or lines.
The error is usually thrown on this line of code <uc1:ForumUserPicture ID="picUser" runat="server" />. This happens when using precompiled web sites which are allowed to be modified. It may help to uncheck (set to false) "Allow this precompiled site to be updatebale" when precompiling the web site and/or to clear .Net cache.
We have tested our product on MS Windows Server 2003 with MS SQL Server 2005 (both 64-bit editions) and it works with no problem. We use only standard .NET/SQL2005 features. Kentico CMS is compiled for 32bit OS, so if you wish to fully leverage the 64bit OS, you may need to recompile the full source code using Visual Studio 2005/2008 for the 64bit environment.
If you're using version before 2.2, you may receive an error message like this:
Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
You need to upgrade to version 2.2 and adjust the security settings as described in the KB article Kentico CMS in a Medium Trust Environment.