The exact you are using (OLE DB, ADO.NET, or ODBC).
The premise of SSIS-927 is direct and aims to deliver exactly what the title promises. The official Japanese description is: .
Check if your team utilizes a custom database table (e.g., [dbo].[ApplicationLog] or [dbo].[SSISPackagesLog] ) where IDs are sequentially generated for package executions.
Follow these sequential steps to isolate, debug, and clear the SSIS-927 block from your data pipelines. Step 1: Analyze the SSISDB Execution Logs SSIS-927
| Transformation | When to Use | Tips | |----------------|------------|------| | | Small reference tables (≤ 2 M rows). | Set Cache mode = Full for fastest performance. | | Lookup (Partial/No Cache) | Large tables, memory‑constrained. | Use Partial and set CacheSize appropriately. | | Merge Join | Joining two sorted streams. | Sort upstream to avoid spool; use Inner Join for performance. | | Script Component (Transformation) | Complex row‑level logic (e.g., regex, custom hashing). | Write in C#; expose ReadOnly and ReadWrite columns via Inputs and Outputs . | | Conditional Split | Route rows based on expression. | Combine multiple predicates in one split to reduce downstream components. | | Data Conversion | Convert data types before loading to destination. | Prefer native source conversions where possible (e.g., set DataType on OLE DB Source). | | Multicast | Duplicate a data stream to several branches. | Use sparingly; each branch adds a buffer copy. | | Recordset Destination | Store rows in an ADO.NET Recordset for later use in a Script Task. | Not recommended for large rowsets (use staging tables instead). |
As artificial intelligence (AI) workloads and machine learning (ML) models balloon in size, traditional bus architectures often become choked. SSIS-927 was engineered specifically to solve this "data starvation" problem by maximizing throughput while keeping power consumption minimal. Core Technical Specifications
Ensure the or the service account running the package has proper read/write permissions to all resources (database connections, file shares, registry keys). Step 2: Fix ProtectionLevel The exact you are using (OLE DB, ADO
CREATE LOGIN [ssis_user] WITH PASSWORD = 'StrongPassword!'; USE [YourDatabase]; CREATE USER [ssis_user] FOR LOGIN [ssis_user]; EXEC sp_addrolemember N'db_owner', N'ssis_user'; -- be careful with privileges
If you run into any edge‑cases (e.g., linked servers, Azure SQL DB, or Kerberos delegation), feel free to drop a comment or reach out—happy to dive deeper!
A nightly SSIS package loads daily sales data into DW_Sales . It runs via a SQL Server Agent job under the service account NT SERVICE\SQLSERVERAGENT . After a weekend security hardening, the job starts failing with: Check if your team utilizes a custom database table (e
If the command fails with error 927, the issue is SSIS.
Several factors can contribute to the SSIS-927 error:
Even built‑in service accounts need explicit permissions when they access user databases.
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The Proxy service account lacks target read/write security permissions.