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I am an MCSE in Data Management and Analytics, specializing in MS SQL Server, and an MCP in Azure. With over 19+ years of experience in the IT industry, I bring expertise in data management, Azure Cloud, Data Center Migration, Infrastructure Architecture planning, as well as Virtualization and automation. I have a deep passion for driving innovation through infrastructure automation, particularly using Terraform for efficient provisioning. If you're looking for guidance on automating your infrastructure or have questions about Azure, SQL Server, or cloud migration, feel free to reach out. I often write to capture my own experiences and insights for future reference, but I hope that sharing these experiences through my blog will help others on their journey as well. Thank you for reading!

The process could not execute 'sp_replcmds' on 'SQLONE'. Log reader failes with Cannot execute as the database principal becuase the principal "dbo" does not exist

Log Reader Agent do not restart and it gets fail with below error
The process could not execute 'sp_replcmds' on 'SQLONE'. (Source: MSSQL_REPL, Error number: MSSQL_REPL20011)
Get help: http://help/MSSQL_REPL20011


----------------------------------------------------

Issue:-


Error messages: 


The process could not execute 'sp_replcmds' on 'SQLONE'. (Source: MSSQL_REPL, Error number: MSSQL_REPL20011)
Get help: http://help/MSSQL_REPL20011


Cannot execute as the database principal because the principal "dbo" does not exist, this type of principal cannot be impersonated, or you do not have permission. (Source: MSSQLServer, Error number: 15517)

Get help: http://help/15517

The process could not execute 'sp_replcmds' on 'SQLONE'. (Source: MSSQL_REPL, Error number: MSSQL_REPL22037)

Get help: http://help/MSSQL_REPL22037

The SQL Agent was configured to run using Contoso\sqlservice.

In login properties, this account also has "system administrator" rights.

Executed log reader agent using a command prompt, received similar error..

C:\Program Files\Microsoft SQL Server\110\COM>logread.exe -Publisher [SQLONE] -PublisherDB [AdventureWorks2012] -Distributor [SQLONE] -DistributorSecurityMode 1  -Continuous

I received Similar error as above

Problem: - This issue arises sometimes when database owner remains blank, then this issue comes.
For RCA you can refer this link:-

Resolution:-


This Error usually comes when owner of Published database remains blank..

Hence to resolve this issue..
 
ALTER Authorization on DATABASE::[<dbname>] to [sa] --Make  sure sa is enabled.

or
sp_changedbowner 'Contoso\sqlservice'


Thanks for Reading...

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