A Reporting Services subscription is a
configuration that delivers a report at a specific time or in response to an
event, and in a file format that we specify. Subscriptions can be used
to schedule and automate the delivery of a report and with a specific set of
report parameter values.
"Subscriptions cannot be created because the credentials used to run the report are not stored or if a linked report, the link is no longer valid" is the very generic error in SQL Server Reporting Services. This error occurs because SSRS requires a Login to connect to the data source to process the report whenever subscription will be occurring at its scheduled time.
If you are creating your report with the shared
datasource and your datasource is built up on the Use Windows Authentication
(Integrated security) as given below image then you will not able to create
subscription on that report and will face the above error.
Shared Data Source is not allowed in Report
Subscription and before creating subscriptions, scheduled report needs to know
which credentials we want to run with, when producing the reports.
If you want to create report subscription on the
report then I would recommend you to store the credential security into report
level and use embedded connection instead of shared data source reference. To sort
out this issue, we are doing the following settings step by steps.
1.In development studio,
right click on the Data Sources and
choose Data Source Properties from
report data as given below:
2.In Data Source Properties, checked Embedded connections, Type
Microsoft SQL Server and click on Edit button as given below:
3.After click on Edit
button, it will open Connection Properties window where you need to fill Server
name, checked Use SQL Server Authentication and fill user credentials, select
or enter a database name and click on test connection. If Test result alert
shows succeeded then click on OK button as given below:
4.Click on OK button on Connection
Properties window. In Data Source Properties window’s Credentials tab, you can
see that your report connection is set on Use this user name and password as
given below:
5.Click on OK button and
deploy your report on the report server again and open the data source of the
report and set custom data source as given below:
6. After testing the
connection string, click on Save button. Choose the Subscription, where you can
see the enabled New Subscription.
After following the all the above steps, you are able to create "New subscription" or "New Data-driven Subscription" with the help of report manager.
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