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This article is about how to set the maximum number of archived error logs in SQL Server. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

How to set the maximum number of archived error logs for SQL Server. If you set it in SSMS's UI interface, you can set the number of error logs from "Management"-> "SQL Server Logs" right-click option "Configure", as shown below:

If you use the script settings in, as shown below, this script can also modify the maximum number of error logs

USE [master]; GO EXEC xp_instance_regwrite Native HKEY localized machine'

Undefinedundefined

N'Software\ Microsoft\ MSSQLServer\ MSSQLServer', NumErrorLogsgiving, REG_DWORD

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10

Undefinedundefined

GO

Undefined

Take SQLServer 2008 as an example (default instance). This parameter NumErrorLogs is not available in the registry HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ MSSQLServer\ MSSQLServer. It is actually located under HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Microsoft SQLServer\ MSSQL10_50.MSSQLSERVER\ MSSQLServer.

Take SQLServer 2014 as an example (default instance). This parameter NumErrorLogs is not available in the registry HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ MSSQLServer\ MSSQLServer. It is actually located under HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Microsoft SQLServer\ MSSQL12.MSSQLSERVER\ MSSQLServer.

Of course, if it is a named instance, the registry path is still different, but the above stored procedure can be modified to the registry NumErrorLogs parameter using the above parameters (the same parameter). The combination of values originally named HKEYLOCALCALINEMACHINE' and N'Software\ Microsoft\ MSSQLServer\ MSSQLServer' is the specific path of the parameter in the registry, but the actual verification shows that this is not the case. In addition, because master.sys.xp_instance_regwrite is a stored procedure without documentation, I don't know how it is handled internally, that is, whether it has been transformed internally or for other reasons. This is a rather confusing and puzzling question.

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