SSRS Connecting to PDW

I'm creating a report that queries the PDW.
Using Visual Studio 2012
Reporting Services 2012 integrated in Sharepoint 2013
Trying to use the Microsoft SQL Server Parallel Data Warehouse connection "Type"
Connection String syntex I have from Microsoft site: HOST = <IPAddress>;database = <database>;port = <port>
Error that I recieve is :
Unable to connect to data source 'DataSource1'.The selected data extension SQLPDW is not installed or cannot be loaded. Verify that the selected data extension is installed on the client for local reports and on the report server for published reports.
I've been searching and I can't seem to find good direction on how to resolve or what I might be doing incorrectly.

Hi jdb09,
Your issue can be caused by many factors, it can be caused by the connection string is not correct, please check to make sure the it is correct.
Please check details information below to make sure you have done the correct connection and configuration first:
Connecting and Configuring SQL Server Parallel Data Warehouse (PDW) Clients
Similar theads for your reference:
https://support.microsoft.com/kb/2750044/en-us?wa=wsignin1.0
http://communities.bentley.com/products/assetwise/assetwise_platform/w/wiki/ssrs-report-server-mssqlserver-cannot-load-the-sqlpdw-extension
If you still have any problem, please feel free to ask.
Regards
Vicky Liu
Vicky Liu
TechNet Community Support

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Hi jdb09,
Your issue can be caused by many factors, it can be caused by the connection string is not correct, please check to make sure the it is correct.
Please check details information below to make sure you have done the correct connection and configuration first:
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Hi SKM,
So you mean to say that Go to DataSource->Add Dataset-> Query Type-Text-> Under Query:
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Thanks It is working fine but it is tough job if query is big.
Hi S kumar,
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Hi all
Recently we migrated SSAS from 2008r2 to 2014 in Dev environment. when we are testing SSRS reports which are connecting to that cube is having issue. the measure value is returning as [Measures].[LSM Count] instead of numeric value.
when we connect to old cube in prod environment the report is working as expected and even the mdx query is working fine in Management studio of new cube. what would be the issue.
WITH -- Daily Graphic
MEMBER SelectedIndicator1 AS '[Measures].[LSM Count]'
MEMBER SelectedIndicator2 AS '[Measures].[LSM Count]'
MEMBER SelectedIndicator3 AS '[Measures].[LSM Count]'
MEMBER SelectedIndicator4 AS '[Measures].[LSM Count]'
SELECT NON EMPTY {SelectedIndicator1, SelectedIndicator2, SelectedIndicator3, SelectedIndicator4} ON COLUMNS,
([Date].[Date].[Date].ALLMEMBERS *EXCEPT([Time].[Time Hierarchy].[Twelfth Of Hour].ALLMEMBERS,[Time].[Time Hierarchy].[Twelfth Of Hour].&[00:00])*[Source 2013].[METRIC GROUP].[METRIC GROUP]*
[Source 2013].[LocalDn].members)
} ON ROWS
FROM ( SELECT ( STRTOSET('[Date].[Date].[Date].&[2015-01-26T00:00:00]:[Date].[Date].[Date].&[2015-01-27T00:00:00]') ) ON COLUMNS
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Surendra Thota

Hi Surendra_Thota,
According to your description, there are SSRS reports with SSAS data source, after you migrated SSAS from 2008 R2 to 2014, the measure value returned string instead of numeric value.
I tried to reproduce the issue in my local machine of SQL Server 2014, but it works fine for me. As a workaround, please modify the query like below:
SELECT
NON EMPTY
[Measures].[Internet Order Quantity],
[Measures].[Internet Sales Amount]
} ON COLUMNS,
NON EMPTY
[Customer].[Education].[Education].ALLMEMBERS *
[Customer].[Home Owner].[Home Owner].ALLMEMBERS
) } ON ROWS
FROM [Adventure Works]
If the problem remain unresolved, i would appreciate it if you could sample data and screenshot of the report, it will help us move more quickly toward a solution.
If you have any more questions, please feel free to ask.
Thanks,
Wendy Fu
If you have any feedback on our support, please click
here.
Wendy Fu
TechNet Community Support

SSRS 2008R2 Error: An error occurred within the report server database. This may be due to a connection failure, timeout or low disk condition within the database

Hi,
a big problem with our report server has appeared suddenly.
We are running the SQL Server 2008 R2 with a Report Server. But a .
I can connect to the Report Server Website and I can choose a report. But if I run the report, it will load endless without timeout message or other error messages.
I looked in the Report Server Log and find out this confusing error messages:
rshost!rshost!1680!01/21/2014-16:22:41:: e ERROR: WriteCallback(): failed to write in write callback.
rshost!rshost!1680!01/21/2014-16:22:41:: e ERROR: Failed with win32 error 0x0079, pipeline=0x00000000004ED8D0.
rshost!rshost!c20!01/21/2014-16:22:41:: e ERROR: HttpPipelineCallback::SendResponse(): failed async writing response.
rshost!rshost!c20!01/21/2014-16:22:41:: e ERROR: Failed with win32 error 0x0079, pipeline=0x00000000004ED8D0.
rshost!rshost!1680!01/21/2014-16:22:41:: v VERBOSE: HttpPipeline::DisconnectCallback: releasing pipeline=0x00000000004ED8D0.
httpruntime!ReportManager_0-1!c20!01/21/2014-16:22:41:: e ERROR: Failed in BaseWorkerRequest::SendHttpResponse(bool), exception=System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception from HRESULT: 0x80070079)
at Microsoft.ReportingServices.HostingInterfaces.IRsHttpPipeline.SendResponse(Void* response, Boolean finalWrite, Boolean closeConn)
at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
library!ReportManager_0-1!c20!01/21/2014-16:22:41:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException: RsWorkerRequest::FlushResponse., Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException:
An internal or system error occurred in the HTTP Runtime object for application domain ReportManager_MSSQLSERVER_0-1-130347907277948893. ---> System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception
from HRESULT: 0x80070079)
at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
at ReportingServicesHttpRuntime.RsWorkerRequest.FlushResponse(Boolean finalFlush)
--- End of inner exception stack trace ---;
httpruntime!ReportManager_0-1!c20!01/21/2014-16:22:41:: e ERROR: Failed in BaseWorkerRequest::SendHttpResponse(bool), exception=System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception from HRESULT: 0x80070079)
at Microsoft.ReportingServices.HostingInterfaces.IRsHttpPipeline.SendResponse(Void* response, Boolean finalWrite, Boolean closeConn)
at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
library!ReportManager_0-1!c20!01/21/2014-16:22:41:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException: RsWorkerRequest::FlushResponse., Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException:
An internal or system error occurred in the HTTP Runtime object for application domain ReportManager_MSSQLSERVER_0-1-130347907277948893. ---> System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception
from HRESULT: 0x80070079)
at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
at ReportingServicesHttpRuntime.RsWorkerRequest.FlushResponse(Boolean finalFlush)
--- End of inner exception stack trace ---;
The last think I have done, is to grant a new user access to the report server website (by using the site options) and to the root folder (by using the folder options on ws).
But the error must not relate to the new user. The server was not touched for several days before.
Could you plz help me? I have no idea what to do.
Googling the whole day to find a solution without success

We are having the same issue with our production reporting server and it doesn't look like a permission issue. We are running the SSRS service as a domain account with administrative privileges on the server. We are seeing the following entry in the log
file:
rshost!rshost!1254!01/30/2014-13:06:04:: e ERROR: WriteCallback(): failed to write in write callback.
rshost!rshost!1254!01/30/2014-13:06:04:: e ERROR: Failed with win32 error 0x0079, pipeline=0x0000000003484370.
rshost!rshost!1198!01/30/2014-13:06:04:: e ERROR: HttpPipelineCallback::SendResponse(): failed async writing response.
rshost!rshost!1198!01/30/2014-13:06:04:: e ERROR: Failed with win32 error 0x0079, pipeline=0x0000000003484370.
httpruntime!ReportManager_0-1!1198!01/30/2014-13:06:04:: e ERROR: Failed in BaseWorkerRequest::SendHttpResponse(bool), exception=System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception from HRESULT: 0x80070079)
at Microsoft.ReportingServices.HostingInterfaces.IRsHttpPipeline.SendResponse(Void* response, Boolean finalWrite, Boolean closeConn)
at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
library!ReportManager_0-1!1198!01/30/2014-13:06:04:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException: RsWorkerRequest::FlushResponse., Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException:
An internal or system error occurred in the HTTP Runtime object for application domain ReportManager_0-1-130355206125382999. ---> System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception from HRESULT:
0x80070079)
at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
at ReportingServicesHttpRuntime.RsWorkerRequest.FlushResponse(Boolean finalFlush)
SSRS version is 10.50.4270.0
Regards,
Augustine.

SSRS Reporting manages goes down frequently. ERROR: The underlying connection was closed: An unexpected error occurred on a send.

We have been experiencing issues with SSRS over the past 5 weeks, the service goes down frequently. And it comes up only on reboot of the server.
We had also disabled the On Access scan in Mcafee.
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ui!ReportManager_0-2!24e8!08/14/2014-18:13:45:: e ERROR: The underlying connection was closed: An unexpected error occurred on a send.
ui!ReportManager_0-2!24e8!08/14/2014-18:13:45:: e ERROR: HTTP status code --> 500
-------Details--------
System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Unable to write data to the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException:
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   at System.Net.Sockets.NetworkStream.Write(Byte[] buffer, Int32 offset, Int32 size)
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   at System.Net.Sockets.NetworkStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   at System.Net.ConnectStream.WriteHeaders(Boolean async)
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   at Microsoft.SqlServer.ReportingServices2005.RSConnection.GetSecureMethods()
   at Microsoft.ReportingServices.UI.Global.RSWebServiceWrapper.GetSecureMethods()
   at Microsoft.SqlServer.ReportingServices2005.RSConnection.IsSecureMethod(String methodname)
   at Microsoft.SqlServer.ReportingServices2005.RSConnection.ValidateConnection()
   at Microsoft.ReportingServices.UI.Global.SecureAllAPI()
   at Microsoft.ReportingServices.UI.ReportingPage.EnsureHttpsLevel(HttpsLevel level)
   at Microsoft.ReportingServices.UI.ReportingPage.ReportingPage_Init(Object sender, EventArgs args)
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at System.Web.UI.Control.OnInit(EventArgs e)
   at System.Web.UI.Page.OnInit(EventArgs e)
   at System.Web.UI.Control.InitRecursive(Control namingContainer)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
ui!ReportManager_0-2!24e8!08/14/2014-18:13:46:: e ERROR: Exception in ShowErrorPage: System.Threading.ThreadAbortException: Thread was being aborted.
   at System.Threading.Thread.AbortInternal()
   at System.Threading.Thread.Abort(Object stateInfo)
   at System.Web.HttpResponse.End()
   at System.Web.HttpServerUtility.Transfer(String path, Boolean preserveForm)
   at Microsoft.ReportingServices.UI.ReportingPage.ShowErrorPage(String errMsg) at    at System.Threading.Thread.AbortInternal()
   at System.Threading.Thread.Abort(Object stateInfo)
   at System.Web.HttpResponse.End()
   at System.Web.HttpServerUtility.Transfer(String path, Boolean preserveForm)
   at Microsoft.ReportingServices.UI.ReportingPage.ShowErrorPage(String errMsg)
library!ReportServer_0-1!1c90!08/14/2014-18:13:51:: Call to ListParentsAction(/Data Sources).
library!ReportServer_0-1!1c90!08/14/2014-18:13:51:: Call to ListParentsAction(/Data Sources).
library!ReportServer_0-1!1c90!08/14/2014-18:13:51:: Call to ListChildrenAction(/Data Sources, False).
webserver!ReportServer_0-1!1c90!08/14/2014-18:13:51:: i INFO: Processed folder '/Data Sources'
library!ReportServer_0-1!68c!08/14/2014-18:13:56:: Call to GetItemTypeAction(/).
library!ReportServer_0-1!68c!08/14/2014-18:13:56:: Call to ListParentsAction(/).
library!ReportServer_0-1!68c!08/14/2014-18:13:56:: Call to ListChildrenAction(/, False).
webserver!ReportServer_0-1!68c!08/14/2014-18:13:56:: i INFO: Processed folder '/'

Hi SThiyag,
Based on your error message, it may be related to the “SecureConnectionLevel” in the RSReportServer.config file. Please go to C:\Program Files\Microsoft SQL Server\MSRS11.MSSQLSERVER\Reporting Services\ReportServer, use Notepad to open the RSReportServer.config,
modify <Add Key="SecureConnectionLevel" Value="0"/>, change the value into "1" or "2".
(Note: Please backup the file before modify it.)
Acceptable values are:
3 Most secure—Use SSL for absolutely everything.
2 Secure—Use SSL for rendering and methods that pass credentials but don't insist on it for all SOAP calls.
1 Basic Security—Accepts http but rejects any calls that might be involved in the passing of credentials.
0 Least Secure—Don't use SSL at all
Here is a blog for error message "The underlying connection was closed...", please refer to the link below:
http://blogs.msdn.com/b/engelsr/archive/2005/11/29/the-underlying-connection-was-closed.aspx
If you have any question, please feel free to ask.
Best Regards,
Simon Hou

SSRS 2012 with SharePoint 2010: Unable to connect to the remote server

We had originally installed SSRS 2012 with SP 2010 and I did not like how the installation was configured, so we uninstalled everything and removed the SSRS server from the SharePoint farm and uninstalled all the SQL bits (SSRS was deployed to web tier in
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I've since added a new application server to host the SSRS SharePoint Mode and Installed the reporting services add-in on the WFE. For reference, I have 1 WFE and 2 App Servers. the WFE has the Reporting Service Add-in and both App Servers have
the SharePoint mode of SSRS installed as described here: https://msdn.microsoft.com/en-us/library/hh479774(v=sql.110).aspx
I've also installed the Service Application and all seems to work well up until I make an attempt to create a report or data source on the WFE.
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Technically what is occurring;
Add Reporting service content types and create a New Reporting Data Source through UI
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Exception encountered for SOAP method GetSystemProperties: System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond <WRONG HOST IP>:80
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception) -
-- End of inner exception stack trace ---
at Microsoft.SqlServer.ReportingServices2010.RSConnection2010.SetConnectionProtocol()
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20 Bay Windows Home Server (Not Vail!)
http://piroozjavan.blogspot.com/

Issue an iisreset on the WFE, and validate that SSRS Service is running on the App servers.
Trevor Seward
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This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

Problems connecting to SSRS using IReportServerCredentials, the request failed with http status 401: unauthorized

We have a hosted SSRS server and we access it's reports using the reportviewer in an ASP.net application.
We are getting the error: The request failed with HTTP status 401: Unauthorized. When trying to run one of the reports. I have confirmed that the login details work when logging into the report manager page directly.
I have implemented an instance of IReportServerCredentials in a separate class (below) and I call it from the page before it tries to access the report. I'm not sure if this is all I need but can't seem to find any other info.
I have managed to gain access connecting to the external server from my PC and accessed the report, but when I promote the code to production and run it from there on my local PC I get the unauthorized message again: the request failed with http status
401: unauthorized
The class:
[Serializable]
public sealed class MyReportServerCredentials :
IReportServerCredentials
public WindowsIdentity ImpersonationUser
get
// Use the default Windows user. Credentials will be
// provided by the NetworkCredentials property.
return null;
public ICredentials NetworkCredentials
get
// Read the user information from the Web.config file.
// By reading the information on demand instead of
// storing it, the credentials will not be stored in
// session, reducing the vulnerable surface area to the
// Web.config file, which can be secured with an ACL.
// User name
string userName =
ConfigurationManager.AppSettings
["MyReportViewerUser"];
if (string.IsNullOrEmpty(userName))
throw new Exception(
"Missing user name from web.config file");
// Password
string password =
ConfigurationManager.AppSettings
["MyReportViewerPassword"];
if (string.IsNullOrEmpty(password))
throw new Exception(
"Missing password from web.config file");
// Domain
string domain =
ConfigurationManager.AppSettings
["MyReportViewerDomain"];
return new NetworkCredential(userName, password);
public bool GetFormsCredentials(out Cookie authCookie,
out string userName, out string password,
out string authority)
authCookie = null;
userName = null;
password = null;
authority = null;
// Not using form credentials
return false;
The call to the class, just before the report is run:
if (GetConnection.GetConnectionString().ToString().Contains("IP of external server removed"))
invoiceviewer.ServerReport.ReportServerCredentials = new MyReportServerCredentials();
We have tried so many things here, we don't even care whether the server authenticates or not but it appears to be as standard. Our hosting company has also drawn a blank and changed so many settings to no ava

Hi Nasa1999,
According to your description, you are getting the error: The request failed with HTTP status 401: Unauthorized when you access the report using the ReportViewer in an ASP.net application.
Regarding the 401 error, it could cause by the Service Principal Name(SPN) for the account the Reporting Services is running under hasn’t been registered when the Reporting Services is configured to use Kerberos authentication. So in your scenario,
please check if you are using Kerberos authentication. If that is a case, please make sure SPN is configured correctly. For more information, please refer to the similar thread:
The request failed with HTTP status 401: Unauthorized. in SSRS.
If issue persists, please check the Reporting Service error log (default location: %programfiles%\Microsoft SQL Server\<SQL Server Instance>\Reporting Services\LogFiles) around the time that the error message thrown out.
If you have any question, please feel free to ask.
Best regards,
Qiuyun Yu
Qiuyun Yu
TechNet Community Support

SSRS Report Server Could not establish connection. The underlying connection was closed. Could not establish trust relationship for the SSL/TLS Secure channel

Hi
Had to un-install and then re-install MS SQL Server 2012 with SSRS.
After we re-installed we are able to get to the Web Services page but not the Report Server page and get the above error message. We need to use SSL and when we bind the cert in RS Configuration Manager it says it does this successfully on the WebServices
tab. We also do a similar exercise on the ReportServer page.
Any help warmly welcomed :D
Thanks

Hi Rich Whight,
According to your description, after you re-installed SQL Server 2012 with SSRS, you are able to access Web Service URL, but when you tried to access Report Manager URL, the error occurred: The underlying connection was closed. Could not establish trust
relationship for the SSL/TLS Secure channel.
The issue may be caused when the certificate isn't installed correctly in the trusted root for the local computer. To verify and install the certificate, Please refer to the steps blow:
In RsReportServer.config file(default location: C:\Program Files\Microsoft SQL Server\MSRS11.MSSQLSERVER\Reporting Services\ReportServer), change the “SecureConnectionLevel” element value from 0 to 3.
Add correct value to <UrlRoot> element.
Add the same value to the <ReportServerUrl> element as step2.
Go to Microsoft management Console, add the certificate which you use to access the report server under “Trusted Root Certification Authorities”.
For more information about SSL configuration and Managing Trusted Root Certificates, please refer to the following documents:
http://blogs.msdn.com/b/mariae/archive/2007/12/12/ssl-configuration-and-reporting-services.aspx
http://technet.microsoft.com/en-us/library/cc754841.aspx
If you have any more questions, please feel free to ask.
Best Regards,
Wendy Fu

SSRS Connecting to PDW

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