Issue
When attempting to generate a web based report there is a prompt for entering a user name and password to access the data source:

Product Line
ION Enterprise 6.x

Environment
Reporting

Cause
Login credentials are changed or may not be specified so that WebReporter (Reporting Services) can access the IONReportDataSource.

Resolution
Follow the procedure below to set the correct login credentials.
1.Open the web browser and open the http://<server name>/Reports or http://<server name>/Reports$ION virtual root.
2. Open the IONReportDataSource.
3. Under the Connect Using, select the radio button "Credentials stored securely in the report server".
4. Enter the following user information:
User Name: IONUser
​Password: IONisgreat!
5. Click on Apply to apply the changes.