Report Builder FQDN Issue

Ok this one has me stuffed.

SQL 2005 Server with all the fun stuff aswell.

HOWEVER, when attempting to run the report builder it fails when using a FQDN. (Full Qualified Domain Name)

http:\\servername\reports - No Issues

http:\\ipaddress\reports - No Issues

http:\\servername.domain.com.au\reports - Can Access, reports run fine but fails to run the report builder.

The error deatails are as follows:

ERROR DETAILS
Following errors were detected during this operation.
* [3/08/2006 11:21:37 AM] System.Deployment.Application.DeploymentDownloadException (Unknown subtype)
- Downloading http://SQLSVR.nat.company.com.au/ReportServer/ReportBuilder/ReportBuilder.application did not succeed.
- Source: System.Deployment
- Stack trace:
at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
at System.Deployment.Application.SystemNetDownloader.DownloadAllFiles()
at System.Deployment.Application.FileDownloader.Download(SubscriptionState subState)
at System.Deployment.Application.DownloadManager.DownloadManifestAsRawFile(Uri& sourceUri, String targetPath, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestDirectBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options)
at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut)
at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
Inner Exception
System.Net.WebException
- The operation has timed out
- Source: System
- Stack trace:
at System.Net.HttpWebRequest.GetResponse()
at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)

Further to this, i can not open the report server from the Management Studio on the local machine.

Here is the error:

===================================

Cannot connect to SQLSVR\SQL2005.

===================================

The operation has timed out (System.Web.Services)

Program Location:

at System.Web.Services.Protocols.WebClientProtocol.GetWebResponse(WebRequest request)
at System.Web.Services.Protocols.HttpWebClientProtocol.GetWebResponse(WebRequest request)
at Microsoft.SqlServer.Management.UI.RSClient.RSClientConnection.GetWebResponse(WebRequest request)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Microsoft.SqlServer.ReportingServices2005.ReportingService2005.ListSecureMethods()
at Microsoft.SqlServer.ReportingServices2005.RSConnection.ValidateConnection()
at Microsoft.SqlServer.Management.UI.RSClient.RSClientConnection.CreateConnection(String connectionString)
at Microsoft.SqlServer.Management.UI.RSClient.RSConnectionInfo.CreateConnectionObject()
at Microsoft.SqlServer.Management.UI.RSClient.RSConnectionInfo.RSTypeImpl.GetConnectionObject(UIConnectionInfo ci)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.RSType.GetConnectionObject(UIConnectionInfo ci)
at Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.ObjectExplorer.ValidateConnection(UIConnectionInfo ci, IServerType server)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()

Please Help.

Any Ideas on where to go would be very much appreciated.

Thanks in advance