Hi,

I've been struggling with this for a while now. I also deleted the C:\dotNetNuke directory, and re-downloaded the zip file, but keep running across the same error. I found about 2 similar posts when I googled, but no solutions. If anyone would be able to provide any insight regarding this, I would greatly appreciate it.

I have Windows XP Service Pack 2; SQL Server 2005. The installation part went through the connectionstring part and the file permissions part successfully. But now when I go to: http://localhost/dotNetNuke/Install/I... I get a blank screen.

When I go to http://localhost/dotNetNuke/Default.aspx I get an error. The error screen is as follows:

DotNetNuke Error   Domain Name Windows XP Does Not Exist In The Database DotNetNuke supports multiple portals from a single database/codebase. It accomplishes this by converting the URL of the client browser Request to a valid PortalID in the Portals database table. The following steps describe the process: Web Server Processing When a web server receives a Request from a client browser, it compares the file name extension on the target URL resource to its Application Extension Mappings defined in IIS. Based on the corresponding match, IIS then sends the Request to the defined Executable Path ( aspnet_asapi.dll in the case of ASP.NET Requests ). The aspnet_isapi.dll engine processes the Request in an ordered series of events beginning with Application_BeginRequest.   HttpModule.URLRewrite OnBeginRequest ( UrlRewriteModule.vb ) The Request URL is parsed based on the "/" character A Domain Name is constructed using each of the relevant parsed URL segments. Examples: URL: http://www.domain.com/default.aspx = Domain Name: www.domain.com URL: http://209.75.24.131/default.aspx = Domain Name: 209.75.24.131 URL: http://localhost/DotNetNuke/default.aspx = Domain Name: localhost/DotNetNuke URL: http://www.domain.com/virtualdirectory/default.aspx = Domain Name: www.domain.com/virtualdirectory URL: http://www.domain.com/directory/default.aspx = Domain Name: www.domain.com/directory   Using the Domain Name, the application queries the database ( Portals table - PortalAlias field ) to locate a matching record. Note: If there are multiple URLs which correspond to the same portal then the PortalAlias field must contain each valid Domain Name in a comma seperated list. Example: URL: http://localhost/DotNetNuke/default.aspx URL: http://MACHINENAME/DotNetNuke/default.aspx URL: http://209.32.134.65/DotNetNuke/default.aspx PortalAlias: localhost/DotNetNuke,MACHINENAME/DotNetNuke,209.32.134.65/DotNetNuke Note: If you are installing the application to a remote server you must modify the PortalAlias field value for the default record in the Portals table according to the rules defined above.

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Permissions issue ASP.NET needs the following permissions on the root of your web folder:

Read & Execute

List Folder Contents

Read

Write

Network Service requires:

Modify

Read & Execute

List Folder Contents

Read

Write

In the database Network Service requires dbowner permissions on you database

Thank you for your post and your advice. I installed version 4.9 after I was lost. It seems to be doing the trick. It installed, and didn't give errors. I couldn't go back to the earlier setup to try out your helpful suggestions. But, hopefully, your suggestions will help others facing a similar obstacle.

Thank you.