An LDAP query through a linked server worked in one domain but failed in another with Msg 7399 from the ADsDSOObject provider. Here is the fix.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – The Description for Event ID 18456 From Source MSSQLSERVER Cannot be Found
A client’s event log said the description for Event ID 18456 from source MSSQLSERVER cannot be found. Here is what it means and where to see the real error.
SQL SERVER – Error While Enabling Windows Feature: NetFx3, Error Code: 2146498298
A SQL Server 2012 install failed with an error while enabling windows feature NetFx3. Here are the steps to turn on .NET Framework 3.5 in Server Manager.
SQL SERVER – Assembly ‘ISSERVER’ Was Not Found in the SQL Catalog of Database ‘SSISDB’
After a patch, SQL Server would not start: assembly ISSERVER was not found in the SQL Catalog of database SSISDB. Here is what the ERRORLOG showed and the fix.
How to Validate Email Address in SQL Server? – Interview Question of the Week #147
How do you validate an Email Address in SQL Server? Here is a simple query that separates valid addresses from invalid ones in a sample table.
Installation Error – Updating Permission Setting for File Failed
A brand-new SQL Server 2016 install failed at the end with: Updating permission setting for file failed. Here is the quick fix for this installation error.
SQL SERVER – Service Pack Failure: MissingRegistryKeyException
Patching my lab failed with MissingRegistryKeyException for the MSSQLSERVER Performance key. Here is how I read detail.txt and fixed 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.

