BI SQL # 132 : SQL Server DBA Scripts : Report Login Failures
Hi Folks,
In this article we are going to cover How to Report Login Failures.
In this post we are going to discuss following points:
- Problem Statement of SQL Script:
- Description of SQL Script:
- Input Parameter of SQL Script
- SQL Script Code
- User Level to execute
Problem Statement of SQL Script:
Find the failed login attempts if any in given range of time?
Description of SQL Script:
To report the failed login attempts if any in given
Range of time.
Input Parameter of SQL Script
Specify the time limit parameter in minutes for the SP. Default is 15 mins.
Exec ReportLoginFailure 600
SQL Script Code
CREATE PROC ReportLoginFailure (@TimeinMin INT = 15) AS DECLARE @Count INT CREATE TABLE #ErrorLog ( ErrorLoggedDate DATETIME ,ProcessInfo NVARCHAR(50) ,ErrorText NVARCHAR(1000) ) INSERT INTO #ErrorLog EXEC sp_readerrorlog SELECT @Count = Count(*) FROM #ErrorLog WHERE ErrorText LIKE 'Login failed for user%' AND datediff(Minute, ErrorLoggedDate, getdate()) <= @TimeinMin IF @Count > 0 BEGIN SELECT Report = Cast(@Count AS VARCHAR) + ' Login Failures Reported in past ' + Cast(@TimeinMin AS VARCHAR) + ' Minutes.' SELECT * FROM #ErrorLog WHERE ErrorText LIKE 'Login failed for user%' AND datediff(Minute, ErrorLoggedDate, getdate()) <= @TimeinMin END ELSE SELECT Report = 'No Login Failures Reported in the Specified Time Frame.' DROP TABLE #ErrorLog GO
User Level to execute
300
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