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Patch: SQL Server 2025 CU10 (build 17.0.5035.5)

October 1, 2026
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SQL Server 2025 CU10 is out: build 17.0.5035.5.

Cumulative update for SQL Server 2025, build 17.0.5035.5, released October 2026.

Download and release notes (Microsoft KB)

All current updates: SQL Server Patches.

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Setup, backup and high availability (37)
  • Backing Up and Restoring a Database
  • Restoring a Full Database Backup (SSMS)
  • Restoring a Database to a New Location
  • Backup and Restore with T-SQL
  • Disaster Recovery Planning
  • Basic vs Advanced High Availability
  • Adding a Database to an Availability Group
  • Suspending and Resuming Data Movement
  • Availability Group Health Troubleshooting
  • Quorum Failure
  • Log Shipping
  • Database Mail Setup and Troubleshooting
  • Moving TempDB
  • Database Snapshots
  • Server Build Checklist
  • Encryption
  • TDE: Backing Up the Certificate
  • Data Obfuscation and Masking
  • SQL Server Audit
  • FILESTREAM
  • Orphaned SQL Logins
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  • Login Failures (Error 18456)
  • Random Password Generator
  • Generating the SPNs (Kerberos)
  • SQL Server Replication: Setup, Types and Pitfalls
  • Adding an Article to a Publication
  • Enabling Change Tracking: Good and Bad Points
  • Migrating a Reporting Services Installation (Native Mode)
  • Upgrading SSRS 2005 to 2012 (Quick and Dirty)
  • Azure SQL Options
  • Migrating SQL Server to Azure
  • Building an Availability Group
  • Failover Cluster Instances and Distributed Availability Groups
  • Backup to URL and Backup Encryption
  • PowerShell and dbatools
  • SQL Server Trace Flags
Performance (16)
  • Database Performance Tuning and Index Strategy
  • Data Compression
  • Forwarded Records
  • NUMA
  • Common Memory Issues
  • Average Write Performance
  • Stress Testing the I/O Subsystem with SQLIO
  • When the SQL Server Cache Needs to Be Cleared
  • Parameter Sniffing
  • Table Partitioning
  • Resource Governor
  • What Happens During a Data Change: Buffer Pool, Write-Ahead Log and Durability
  • Measuring Query Performance and Taking a Baseline
  • Reading Execution Plans
  • Plan Caching and Parameterization
  • Statistics Problem or Caching Problem?
Troubleshooting (21)
  • Database Suspect, Recovery Pending or Stuck Recovering
  • Shrinking Databases
  • Transaction Log Full
  • Data File Full and Disk Space (Error 1105)
  • Shrinking Transaction Logs
  • Stopping a Running Job in Job Activity Monitor
  • Failed SQL Agent Job Triage
  • Single-User Mode
  • Tempdb Full or Contention
  • Repairing the WMI Provider (mofcomp)
  • SQL Server Referencing the Wrong Disk Drives
  • Performance Troubleshooting Queries
  • High CPU Troubleshooting
  • SQL Locks
  • SQL Server Error Numbers
  • Monitoring Deadlocks
  • Sleeping Processes
  • DMVs and Session Monitoring
  • Collecting Data with Performance Monitor
  • Collecting a Trace with SQL Profiler
  • Schema Locks and Online Index Maintenance
T-SQL (17)
  • SQL Best Practices
  • T-SQL Coding Conventions and Programming Guidelines
  • Common Table Expressions (CTEs)
  • CROSS APPLY and OUTER APPLY
  • Exporting Data to a File
  • SET IDENTITY_INSERT
  • OPENQUERY with Linked Servers
  • Service Broker in SQL Server
  • Enabling and Resetting Service Broker
  • Change Data Capture (CDC)
  • Extended Events
  • Temporal Tables
  • DDL and DML Audit Triggers
  • Transaction Modes: Autocommit, Explicit and Implicit
  • Error Handling in Transactions: TRY/CATCH, @@TRANCOUNT and XACT_STATE()
  • Read Consistency: Read Committed, RCSI and Snapshot Isolation
  • T-SQL Performance Anti-Patterns

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  • Aggregates on Empty Sets in T-SQL
  • The SQL Server Vector Data Type
  • The T-SQL CHOOSE Function

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  • The SQL Server Vector Data Type
    Applies to SQL Server 2025 (and Azure SQL Database and Managed Instance). Not available in SQL Server 2019 or 2022. The SQL Server vector data type arrived in SQL Server 2025. It holds a fixed-length list of numbers, usually an embedding produced by an AI model, so you can find rows that are “similar” to... […]

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