This month's discount Comprehensive Database Performance Health Check · Testimonials
SQLAuthority with Pinal Dave
Home
  • Consulting
    • Health Check
  • Free Videos
  • All Articles
    • AI
    • SQL Performance
    • SQL Tips and Tricks
    • Interview Questions and Answers
    • SQL Puzzle
    • SQL Video
    • SQLAuthority News
    • Personal
  • Books
  • Consulting
Gouache painting of an old brass turnstile with one vermilion token lying in its tray

LogonUserExEx Fails: Logging On as the CNO Failed With Error 1326

March 17, 2020
Pinal Dave
SQL Tips and Tricks
AlwaysOn, SQL Error Messages, SQL Server Cluster, SQL Server Security

LogonUserExEx failed in the cluster log, and a listener network name would not come online. The cluster could not log on as the CNO, with error 1326, so DNS registration failed with error 6. Repairing the computer object and restarting the nodes fixed it.

Read More
Gouache painting of a wooden pegboard wall with painted cream tool outlines, every tool in its place except one empty hook whose outline is vermilion

Msg 46530: External Data Sources Are Not Supported With Type GENERIC

March 16, 2020
Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Scripts, SQL Server Configuration, SQL Server Installation

Msg 46530 says external data sources are not supported with type GENERIC. The real cause is a PolyBase feature that isn’t installed or isn’t enabled. A SERVERPROPERTY check and one sp_configure call sort it out.

Read More
SQL Server VSS backup sequence: freeze writes, take snapshot, then resume writes. Investigate if the pause persists.

SQL SERVER – What do These Messages Mean – “I/O is Frozen on Database” and “I/O was Resumed on Database”?

March 14, 2020
Pinal Dave
SQL Tips and Tricks
SQL Backup and Restore, SQL Error Messages, SQL Server, Starting SQL, System Database

  “I/O is frozen on database” and “I/O was resumed on database”? Did you check the air conditioner temperature? Let us learn about it in today’s blog post.

Read More
Gouache painting of an old oak with a vermilion ribbon beside a stump showing growth rings, with young saplings nearby

Msg 17177 in the SQL Server Error Log: What It Means

March 9, 2020
Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Log, SQL Scripts, SQL Server Services

Msg 17177 is an informational line in the SQL Server error log that reports the process ID of the instance. This post explains its two forms, a daily line and a start-up line, and reads both with a short query. It also shows how the line reveals uptime, downtime and the time zone of the server.

Read More
Gouache painting of a wooden ship's wheel held still by a loop of vermilion rope

Setup Administrator Rule Failed Even for an Administrator Account

March 4, 2020
Pinal Dave
SQL Tips and Tricks
SQL Error Messages, SQL Server, SQL Server 2019, SQL Server Installation, SQL Server Security

The Setup administrator rule failed for a client even though they were logged on as an administrator. The setup log showed that sqlsccn.dll could not be loaded. The setup media had files missing, and downloading the media again fixed it.

Read More
Gouache painting of a long tulip with a vermilion bloom in a short cream vase, with a second bloom lying beside it

ANSI_WARNINGS OFF: Why SQL Server Truncates Data Silently

March 3, 2020
Pinal Dave
SQL Tips and Tricks
SQL Datatype, SQL Error Messages, SQL Scripts, SQL Server 2019

With ANSI_WARNINGS OFF, SQL Server cuts a string to fit its column and reports no error. This post runs the same insert with the setting on and off, and shows what else changes: variables, divide by zero and filtered indexes. It also shows how to check which setting a session uses.

Read More
Gouache painting of a wicker sewing basket whose lid cannot close because one vermilion thread trails out over the rim

Error 15580: Cannot Drop Master Key Because a Dialog Is Encrypted by It

February 26, 2020
Pinal Dave
SQL Tips and Tricks
Service Broker, SQL Error Messages, SQL Scripts, SQL Server Encryption, SQL Server Security

Error 15580 says SQL Server cannot drop the master key because a dialog is encrypted by it. A reader hit it after following my Always On post. Leftover entries in sys.conversation_endpoints were the cause, and a key regeneration cleared them.

Read More
Previous 1 2 3 4 5 6 7 8 … 117 Next
  • Books
  • Testimonials
  • Privacy Policy

© 2006 – 2026 All rights reserved. pinal @ SQLAuthority.com