A mirroring error, connection handshake failed, State 26. The checks I once asked readers for, run on SQL Server 2025 on a real endpoint.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – FIX : Msg 3178, Level 16 – File SQLAuthority is Not in the Correct State to have This Differential Backup Applied to it
Msg 3178 says a file is not in the correct state to have this differential backup applied to it. Here is how I reproduced it, and the fix.
SQL SERVER – FIX : Msg 8115, Level 16, Arithmetic Overflow Error Converting IDENTITY to Data Type INT
A SharePoint check-in failed with Msg 8115, Arithmetic Overflow Error converting IDENTITY to data type INT. How I found the table with Profiler and fixed it.
Why SELECT HOST_NAME() Returns Empty String? – Interview Question of the Week #119
Question: Why SELECT HOST_NAME() Returns Empty String while connected from certain .net application?
SQL SERVER – FIX: Msg 3132, Level 16 – The Media Set has 2 Media Families but Only 1 are Provided. All Members Must be Provided
RESTORE failed with Msg 3132: the media set has 2 media families but only 1 are provided. A repro of this striped backup error and how to restore correctly.
SQL SERVER – Service Pack Error – Index (Zero Based) Must be Greater Than or Equal to Zero and Less Than the Size of the Argument List
A service pack failed with: Index (zero based) must be greater than or equal to zero and less than the size of the argument list. Here is what I found.
Converting float to Text Without Losing Digits
The default float to text conversion keeps about six digits. Here is the one style that gives your float back exactly, and the traps around it.
SQL Server slow? Let's fix it together in about four hours.
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Who We Are
Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 24 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.
Pinal has authored 19 books and 125 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.
Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).
Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.
Shaivi Pinalkumar Dave is a book author and a women’s artistic gymnast.

