How to fix Error 4136 on Windows Server 2025 / Windows 11

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Troubleshooting Guide: SQL Server Error 4136 — Conflicting Query Hints

Why This Error Happens

Error 4136 occurs when a T-SQL query specifies two or more table or query hints within the same OPTION clause or WITH hint block that are logically incompatible with one another, such as combining FORCESEEK with FORCESCAN, or LOOP JOIN with HASH JOIN in the same join hint context. SQL Server’s query optimizer validates hint combinations during the parsing/binding phase, and when it detects mutually exclusive directives, it rejects the entire query rather than attempting to guess which hint takes priority. This is almost always caused by application code, ORM-generated queries, or stored procedures that were written or modified without accounting for hint compatibility rules, rather than any server configuration or permissions issue.

Step-by-Step Resolution Guide

Step 1: Identify the Exact Query and Hints Involved

  • Capture the full error message text, which substitutes the actual hint names into the %.*ls placeholders (e.g., “The hint ‘FORCESEEK’ cannot be used with the hint ‘FORCESCAN'”).
  • Use SQL Server Profiler, Extended Events, or the sys.dm_exec_query_stats / sys.dm_exec_sql_text DMVs to locate the exact batch or stored procedure text that triggered Error 4136.
  • Run the query manually in SSMS to reproduce the error and confirm which OPTION() or WITH() clause contains the conflict.

Step 2: Review and Correct the Conflicting Hint Syntax

  • Open the stored procedure, view, or inline query in SSMS or Azure Data Studio and locate the OPTION (...) or table hint WITH (...) block.
  • Remove one of the two conflicting hints — common conflicting pairs include FORCESEEK + FORCESCAN, NOLOCK + SERIALIZABLE, LOOP JOIN + MERGE JOIN, and READCOMMITTED + READUNCOMMITTED.
  • Save the corrected script, for example located at C:\Scripts\SQL\FixQueryHints.sql, and re-deploy the stored procedure using ALTER PROCEDURE.

Step 3: Check ORM and Application-Generated Queries

  • If the query originates from an ORM (Entity Framework, Dapper, Hibernate, etc.), inspect the query interceptor or raw SQL template responsible for injecting hints.
  • Search application configuration files or query-building classes for hardcoded hint strings and ensure only one isolation/join/index hint type is applied per query.
  • Rebuild and redeploy the application after removing the duplicate or conflicting hint logic.

Step 4: Clear and Rebuild the Plan Cache (If Cached Plans Persist Issues)

  • Run DBCC FREEPROCCACHE on the affected database or use sp_recompile 'SchemaName.ProcedureName' to force recompilation.
  • Confirm no plan guides are forcing the old hint combination by querying sys.plan_guides, and drop any obsolete guides with sp_control_plan_guide 'DROP', 'PlanGuideName'.

Alternative or Verification Steps

  • Re-run the corrected query or execute the stored procedure directly in SSMS to confirm Error 4136 no longer appears and an execution plan is generated successfully.
  • If the error persists, enable Query Store (ALTER DATABASE [YourDB] SET QUERY_STORE = ON;) to track historical query text and pinpoint any remaining hint conflicts across scheduled jobs or linked application modules.