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08-01-2007, 3:05 AM WIssam Joined on 08-01-2007 Posts 1 Help! Problems Installing DNN 4.5.5 Hello, I am installing (not upgrading) DotNetNuke version 4.5.5 on my computer I followed everything stated in this article http://www.mitchelsellers.com/Blogs/tabid/54/articleType/ArticleView/articleId/119/Installing-DotNetNuke-455-Locally.aspx But now I have an error that I don't know how to handle, and it's kinda annoying me so I need a little help here. What should I do to manage it? Note that I followed every single step in the article, and my connection string is the following "server=localhost\\SQLEXPRESS;Trusted_connection=true;database=*****;"   Server Error in '/DotNetNuke455' Application. Instance failure. 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.InvalidOperationException: Instance failure. Source Error: Line 80: Line 81: 'Determine the Upgrade status and redirect to Install.aspx Line 82: Select Case GetUpgradeStatus() Line 83: Case Globals.UpgradeStatus.Install Line 84: If AutoUpgrade Then Source File: c:\inetpub\wwwroot\DotNetNuke455\App_Code\Global.asax.vb    Line: 82 Stack Trace: [InvalidOperationException: Instance failure.] System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +437 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105 System.Data.SqlClient.SqlConnection.Open() +111 DotNetNuke.Data.SqlDataProvider.ExecuteADOScript(String SQL) +69 DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script, Boolean UseTransactions) +780 DotNetNuke.Data.SqlDataProvider.ExecuteScript(String Script) +6 DotNetNuke.Data.SqlDataProvider.GetProviderPath() +191 DotNetNuke.Common.Globals.GetUpgradeStatus() +78 DotNetNuke.Common.Global.CheckVersion() in c:\inetpub\wwwroot\DotNetNuke455\App_Code\Global.asax.vb:82 DotNetNuke.Common.Global.Application_Start(Object Sender, EventArgs E) in c:\inetpub\wwwroot\DotNetNuke455\App_Code\Global.asax.vb:313 Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42    Report

08-06-2008, 5:21 AM SturdyErde Joined on 04-09-2008 Maine Posts 127 Re: Help! Problems Installing DNN 4.5.5 It's unfortunate to see no answers to these questions, so for future reference, I will give it a shot: It looks like an issue with the connection string, which can always be hard to figure out when you're getting started.  (It seems like there are so many to change/fix/or remove!) I can't tell if you copied the connection string from Mitch Sellers' blog as is, or if the asterisks indicate that you redacted your own database name. If you copied the string and LEFT the asterisks in, then that is your problem.  Even when using SQL Server Express, you still need to specify the name of the database instance that you are using. It looks like the code above errored out when the installation routine tried to query the database to find out if it was an upgrade or a new install - and could not because that information would have been stored (or not) in a predefined SQL database. Hope that helps any new installers! Sam    Report

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