Background: 
Our report server database undergoes maintenance every weekend. As part of this, the report server DB is taken down without stopping the Telerik service. When the DB comes back online the reporting service doesn't recognize the re-instated DB and doesn't send out reports. 

Reply from Telerik Support:
My assumption is that the Report Server has hanged due to an error when the Storage was not available. The service has probably remained in this undefined state even after re-starting the database. Note that the Storage is a required resource, hence the service cannot work without it.
We have logged the current behavior of Report Server with respect to its Storage database for improvement in our system.

Feature request:
It would be nice to get an alert/email to the Report server admins that the Report Server DB/Storage is unavailable. 

As a developer integrating the the Report Server with my solution, I would like to be able to apply a fully customizable Kendo theme to the Report Server server app so that it can blend fully with my applications.

As a user utilizing the Report Server product, I need to use a single instance of it to serve two or more completely separated divisions/clients so that they do not have access to each other's assets, so that I do not have to make two different deployments of the server and support them. See https://en.wikipedia.org/wiki/Multitenancy

I extensively use sub reports with drill-down, drill-through actions and to fetch data, into the main report, extracted from different datasets based on a set of certain parameters.

When I upload these reports to the server, I assign main and sub reports to two separate categories 'Main' and 'SubR' so that I can manage reports and users' permissions accordingly.

Currently, it is not possible to 'hide' the reports under 'SubR' category for a user so that all the sub reports are hidden from view, leaving visibility of main reports only for that user.

I tried by restricting user's access to the category 'SubR' so that sub reports are not visible in the list and avoid confusion from user's perspective. But when I restrict user's access to the category 'SubR', all the main reports that contain sub reports do not run correctly and start displaying 'unable to access subreport1...' error. The same error comes up if I have included a report in the main report, accessible by drill-through action.

I would like to request for a functionality to 'Hide / Display' reports in conjunction with 'Read' access to the reports. This will provide further granularity to the way the reports can be made accessible and still be hidden from view.

In the recent R2 build there was an error with respect to no data message. And an error email was sent to all users. 
Currently, we have set up all users as external subscribers and admins or point of contacts as internal users. I think users shouldn't be receiving these error emails and only internal users should be recieving this. 
A global configuration should be available to toggle this functionality so that other customers who need emails to be sent to all will be catered to as well.

Currently, in my company, we have more than 30 clients and each client has multiple locations and multiple departments.
* I have to create like more than 100 schedules now for all individual departments in each location and company. All this company data is in our DB including emails to be sent to etc. manually doing this is a nightmare. 
* And not to forget I have to manually update the email entry list whenever someone leaves the company or joins the client company.
* An idea is to create something like a schedules.config in json format and using JS or C#  create schedules in report server automatically. 
* Same is the case with Data Alerts. 
* This is a huge pain and kind of show stopper for us. 

As a developer integrating the ReportServer into our solution,
I want to be able to pull data for reports from my custom business objects model, instead from database,
So that I can reuse the data layer I already have along with its business rules.

Though I have overridden the mail template for an individual alert, It is picking up the Configuration | Mail Templates | Data Alert External User for an external email address. However, internal email address gets the right one. 

Please help me resolve this. 

Built-in option to select all available values of a multivalue report parameter.

A Multi-value parameter can use a user function to have a value accumulating all available values. Add built-in support through the expression engine.

Data Alerts is a wonderful concept on Report Server. Currently, it only allows emails to be sent when a data alert is triggered. 
We should allow web hooks to be called when from data alerts. 
This would make data alerts immensely powerful e.g. it can trigger mobile push notification or even send an SMS when a specific data alert is triggered.

I would like to suggest support be added for external assemblies in Report Server via the ObjectDataSource similar to what is available in Reporting Services.

It recently became apparent to us that there are multiple templates for sending email. There is the one that can be customized but it only get customized for internal users. There is also a separate template for external users and it cannot be customized and is common across all reports.

All templates need to be customization for each report. Since the Report Server is designed to send to anyone and the licenses are controlled by who can create reports, it makes the ability to send report to users extremely limited. 

I would to suggest a new features that allow us to manage data sources by username.

For example:  User1 will render report from active and live data; while User2 can only render reports from archived or data.

Currently the user interface of the Report Server Manager is english only. This is ok for demo purposes on our side, but in order to offer solutions based on Telerik Report Server to our clients, the complete user interface must support other languages (e.g. german, italian) as well, ideally allowing the user to switch between languages on the fly. Without internationalized Telerik Report Server will be of no user to us or our clients.  

I would like to have the ability to enable report books in the designer of reporting server this would be a big advantage to our company as well plan on making telerik reporting server are main goto product for reporting in house we are impressed so far but a few issues like not be able to produce a work sheet with multple sheets is a big draw back for us I would  see it working that you can add muitple tabs in the designer and attach sql data source to each tab this would be great

Branding of the report server, as a minimum with our company logo is very important for our company. This is a deal breaker. If this minor feature improvement can be provided in the near future I will consider your product otherwise I am forced to look elsewhere.

The feedback form looks horrendous on Chrome. See screen shot.

Our company needs an email to be sent with a PDF and excel sheet as an attachment. With existing feature we could set two emails to be sent. However we have 50 users and 50 reports to be configured. Now i need to set up 100 configurations to cater to both PDF and Excel. 

I am new to the product (Telerik Report Server Q1 2016). I have followed the Installation guidlines to setup Telerik Report Server on my machine but failed to install the product.

Error description: The product Setup failed to automatically configure IIS. Please make sure the IIS and ist ASP.NET/ASP.NET45 features are installed and run the Setup again.

I have been trying to find a solution for the past 3 hours but failed.

My machines is running with:
OS : Windows 10
.NET Framework: 4.6
Visual Studio: VS2015
IIS: 10.0 

Any Information would help.

Thanks
-Prem

Our team is working with TelerikReporting with reports we write in Visual Studio rather than designing them directly in the tool.  This lets us do version control which is important to us.  

It's working well for us.  However, it would be much smoother a simple change:
- when you upload a report, you should have the option to overwrite the definition of an existing report.  Otherwise you have to:-
- delete the report you are updating
  - because there are schedules atached, you have to delete those as well
- recreate the report
- recreate the schedule

You can understand why this is time consuming.