You should be able to find the logfiles under \providers\dataproviders\sqldataprovider (or something like that at least).

That should tell a lot about what went wrong...

---

went from 4.8.2 to 5.1.1, downloaded the upgrade package and unzipped it in the directory and then browsed to the site to begin the install upgrade process. each error log for 4.8.2, 4.9, 4.9.1, 5, 5.0.1, 5.1.1 shows a "The timeout period elapsed prior to completion of the operation or the server is not responding." System.Data.SqlClient.SqlException: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(SqlConnection connection, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText) at DotNetNuke.Data.SqlDataProvider.GrantStoredProceduresPermission(String Permission, String LoginOrRole) if exists (select * from dbo.sysusers where name='pointweb') begin declare @exec nvarchar(2000) declare @name varchar(150) declare sp_cursor cursor for select o.name as name from dbo.sysobjects o where ( OBJECTPROPERTY(o.id, N'IsProcedure') = 1 or OBJECTPROPERTY(o.id, N'IsExtendedProc') = 1 or OBJECTPROPERTY(o.id, N'IsReplProc') = 1 ) and OBJECTPROPERTY(o.id, N'IsMSShipped') = 0 and o.name not like N'#%%' and (left(o.name,len('')) = '' or left(o.name,7) = 'aspnet_') open sp_cursor fetch sp_cursor into @name while @@fetch_status >= 0 begin select @exec = 'grant EXECUTE on ' + @name + ' to [username]' execute (@exec) fetch sp_cursor into @name end deallocate sp_cursor end