| Situation | What changes | |-----------|--------------| | **Deploying to Azure‑SSIS IR** | Permissions are managed via **Azure AD**. The Azure‑SSIS service principal must be granted **Contributor** on the SSIS IR resource and **db_owner** on the SSISDB database. | | **Running packages that access Azure Blob Storage** | Use **AzureKeyVault** or **Managed Identity**. Grant the IR’s Managed Identity `Storage Blob Data Reader` (or Writer) on the storage account. | | **Error 661 from Azure IR** | Usually means the **Azure AD token** cannot be fetched. Verify the IR’s Managed Identity is enabled and has the required role assignments. |
Microsoft SQL Server Integration Services (SSIS) is a powerful tool for building enterprise-level data integration and workflow solutions. However, like any complex software, SSIS can encounter errors that hinder its performance. One such error code is SSIS-661, which can be frustrating to resolve without proper guidance. In this article, we'll explore the possible causes of SSIS-661 and provide step-by-step solutions to help you troubleshoot and overcome this issue. SSIS-661
if (!Row.UnicodeCol_IsNull)
: Event handlers enable reactive workflows, allowing users to define custom logic in response to package events or errors. | Situation | What changes | |-----------|--------------| |
Open and view the Message column or the Execution Log . Note the operation that triggered the error (e.g., catalog.create_folder , catalog.start_execution , catalog.deploy_project ). Grant the IR’s Managed Identity `Storage Blob Data
: A nightly load package DW_Load.dtsx fails at 02:15 AM with SSIS‑661 for the component OLE DB Source [Customer] complaining about column CustomerStatus .
Troubleshooting packages like SSIS-661 requires a methodical approach. By isolating the problem, checking common failure points, and utilizing the tools and documentation provided by Microsoft, you can resolve many common issues.