1,service Account
The service account is a Reporting service run accounts that can be viewed by viewing the Windows service, and it is strongly recommended to use Reporting service Configuration Manager to modify the rep Account of the Orting service.
The operation performed by Reporting service Configuration Manager when modifying the account of the Reporting service.
2, link to the report Server database required Permissions
Modify credential, using Windows Authentication mode.
3, link error
If a link error occurs
An error had occurred during report processing. (rsprocessingaborted)
Cannot create a connection to data source ' datasourcename '. (rserroropeningconnection)
The ' NT authority\anonymous Logon ' error occurred when test connection.
In this case, you need to modify the connection credentials, complete the Windows user's account and password, and tick "use as winodows credentials when connectiong to the data source ”
SSRS Credentials Configuration