Last Updated: 19 Jan 2022 15:27 by ADMIN
Created by: Peter
Comments: 0
Type: Feature Request
Currently, the Reports view is loading slowly when hundreds of reports are viewed. Optimize the Reports view for servers that manage enormous lists of reports.
Last Updated: 06 Jan 2022 11:47 by ADMIN

The CommandTimeout property of the MSSQL Storage is respected when provided in the ReportServerAdmin.config of the Report Server, for example with the following code:

<?xml version="1.0" encoding="utf-8" ?>
    <section name="reportServer" type="Telerik.ReportServer.Web.Configuration.ReportServerConfigurationSection, Telerik.ReportServer.Web" requirePermission="false" allowLocation="true" />
    <storage provider="MsSqlServer">
                <parameter name="ConnectionString" value="Data Source=(local)\MSSQLSERVER01;Initial Catalog=RESTStorage;Integrated Security=SSPI" />
		<parameter name="commandTimeout" value="360" />

The user should be able to provide this value from the Configuration page for the Storage settings, as this is done for the connection string.

Last Updated: 04 Jan 2022 10:04 by ADMIN
Created by: John
Comments: 4
Type: Feature Request
We use the Kendo MVC controls in our website that is hosted on Microsoft Azure. We would like to do reporting but cannot with the Telerik reporting functionality - as far as I am aware. Cloud based websites are increasing in number....
Last Updated: 15 Dec 2021 12:04 by ADMIN
Created by: Colby
Comments: 1
Type: Bug Report

Hello, almost every time I select a scheduled task that I have to scroll down to select in the Scheduling tab, the grid view jumps back up to the top of the task list, making it very annoying to look through tasks.


1. Open Scheduling tab.

2. Scroll down in scheduled task grid view below the first N rows displayed.

3. Select row corresponding to a scheduled task.

4. Task grid view returns to the top N rows of the scheduled tasks.


Thank you

Last Updated: 12 Oct 2021 09:12 by ADMIN
If you previewed a report from the Report Server after more than 30 minutes of inactivity, there is an error message "Forbidden. Insufficient credentials."
Last Updated: 28 Sep 2021 13:26 by ADMIN
I am using the Telerik ReportServerClient to create, update, and delete subscriptions on our Report Server from our MVC application.

I am able to set all features that I need to set, except the first dropdown of the "Repeat On" section of the recurrence rule. 
Last Updated: 27 Sep 2021 10:02 by ADMIN

If you unselect all the days from the Day of the Week in the recurrence rule of a scheduled task of data alert, the task can be saved but will throw an Internal Server Error and you won't be able to list the available tasks on the server.

The linked muted video demonstrates the problem.

Here is the error stack trace produced by the ServiceAgent:

Telerik.ReportServer.ServiceAgent.exe Information: 0 : Loaded 37 tasks in total.
Telerik.ReportServer.ServiceAgent.exe Error: 0 : System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at Telerik.WinControls.UI.Scheduler.ICalendar.CalHelper.TryParseRecurrenceRuleProperties(RecurrenceRule result, IEnumerable`1 keywordPairs)
   at Telerik.WinControls.UI.Scheduler.ICalendar.CalHelper.TryParseRRuleCore(String valueToParse, RecurrenceRule& result)
   at Telerik.ReportServer.Web.Utils.Appointment..ctor(DateTime startUtc, String recurrenceRule)
   at Telerik.ReportServer.ServiceAgent.Tasks.TaskInfo.UpdateNextOccurrenceTime(DateTime utcFrom, DateTime utcTo)
   at Telerik.ReportServer.ServiceAgent.Services.SchedulingService.CalculatePendingTasks(List`1 pendingTasks)
   at Telerik.ReportServer.ServiceAgent.Services.SchedulingService.MainLoop()
   at Telerik.ReportServer.ServiceAgent.Services.SchedulingService.StartMain()

Last Updated: 24 Sep 2021 14:05 by ADMIN

Currently, the Report Server is installed with binding only to HTTP-type sites. This may break a Report Server site bound to an HTTPS site after upgrading to a new version. It is necessary to add the binding to HTTPS manually after each upgrade.

It would be great if there is an option for binding to HTTPS with the installation and if all the bindings can be preserved after upgrading.

Last Updated: 24 Sep 2021 08:55 by ADMIN

We cannot delete reports using the Report Server UI. After you select the report and choose to delete it, the report appears as removed from the list, even though the details are still visible. If you refresh the page, the report is still there.

Further investigation revealed that the ServiceAgent is not running. There is no proper error message indicating this though.

The issue is reproducible only with the Report Server running under HTTPS. When under HTTP there is a proper message stating that the ServiceAgent is stopped.

Last Updated: 24 Aug 2021 13:27 by ADMIN
If the Enable Web Report Designer setting is marked, it would be nice if the Telerik Web Report Designer is opened when New Report is clicked.
Last Updated: 10 May 2021 07:21 by ADMIN
Created by: n/a
Comments: 1
Type: Feature Request

When I do a sort or filtering in the report section on the server and I edit a report (f.i. add revision) the sorting and filtering is gone.


It's much nicer to keep the sorting and or filtering

Last Updated: 28 Apr 2021 08:21 by ADMIN
Can the list of categories be ordered instead of:

Last Updated: 28 Apr 2021 07:18 by ADMIN
Created by: n/a
Comments: 1
Type: Feature Request
It will be nice when I can filter the schedules or when I can couple them to categories
Last Updated: 21 Apr 2021 08:20 by ADMIN
Attempting to login with "Active Directory Credentials" throws an exception - A potentially dangerous Request.Form value was detected from the client (wresult="<t:RequestSecurityTo...").
Description: ASP.NET has detected data in the request that is potentially dangerous because it might include HTML markup or script. The data might represent an attempt to compromise the security of your application, such as a cross-site scripting attack. If this type of input is appropriate in your application, you can include code in a web page to explicitly allow it. For more information, see http://go.microsoft.com/fwlink/?LinkID=212874.
Last Updated: 25 Mar 2021 08:48 by ADMIN

In a Scheduled Task created with the Report Server API, the day of the week in the recurrence rule is not shown in the Edit Task window of the Report Server Manager. A detailed description of the issue is available in this forum post.

Last Updated: 24 Feb 2021 13:27 by ADMIN
Created by: Tyler
Comments: 1
Type: Feature Request



It would be nice to edit raw html or paste html into the mail template editor.

Last Updated: 27 Jan 2021 11:53 by ADMIN
I have a number of scheduled tasks that use report parameter values from the report in the body of the email.  If I untick the "use default value" checkbox of a DateTime parameter, it is replaced with the DateTime. However, if the checkbox is selected, the placeholder is not replaced with the value and is displayed as it is in the mail template, e.g. "{@createdDate} ". The String parameters are never replaced with the actual values. This can be observed in versions and
Last Updated: 22 Dec 2020 08:10 by ADMIN
Created by: e-Bate
Comments: 0
Type: Feature Request
Currently, the only requirement for the user password is to have at least 6 characters. This is too weak and it would be good if the password strength is made configurable.
Last Updated: 30 Oct 2020 12:06 by ADMIN
It would help if  we have the result from the report rendering, so in this way if there is a problem with the report processing, the error can be handled.
Last Updated: 01 Oct 2020 07:57 by ADMIN

Getting this error in the browser when trying to preview a report:

Error registering the viewer with the service.
An error has occurred.
Incorrect value (null) deserialized. Make sure you are using CacheStorage inside single-instance application deployment only.

A possible reason is the cache for the Report Server used for previewing reports has become corrupted. A workaround is explained in the Telerik.Reporting.Cache.CacheStorage.AddInSet NullReferenceException KB article.

It will be very convenient for the user to be able to clear the cache directly from the Report Server Manager UI.

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