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Editorial Team
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Asked: 2026-05-28T16:08:39+00:00

I have a database on a remote server called qrtest_db and thru putty I

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I have a database on a remote server called qrtest_db and thru putty I have connected in and given all privileges to it. In my C# application I can access it just fine for normal day to day stuff, updating, inserting deleting etc.
And when I do SHOW GRANTS I get back the following… 

GRANT ALL PRIVILEGES ON *.* TO 'root'@'myIpAddress' IDENTIFIED BY PASSWORD 'myPasswordencrypted' 
GRANT ALL PRIVILEGES ON `qrtest_db`.* TO 'root'@'myIpAddress'

But if I try to run a GRANT statement in C# like as follows . . . 

"GRANT USAGE ON qrtest_db.* to 'root'@'" + someIPAddress + "' IDENTIFIED BY 'myPassword'";

then on the cmd.ExecuteNonQuery I get the message back. . .

Access denied for user ‘root’@’myIPAddress’ to database ‘qrtest_db’

Does anybody have any ideas as to why this is this happening?
Is grant not allowed remotely thru the .Net connector?
I can sit at the console and grant rights all day long.

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1 Answer

  1. Editorial Team

    You dont have GRANT privilege.
    Becasue ALL PRIVILEGES does not contain GRANT privilege. Reference

    You created a 'root'@'myIpAddress' user with all privileges. It does not contain GRANT. Then you used this newly created user ('root'@'myIpAddress') to connect to db server. Your C# application is using 'root'@'myIpAddress' user to connect to the db server. When you enter GRANT command through C#, it fails. Because this user('root'@'myIpAddress') dont have GRANT option. You didn’t created it that way.

    You should have created user with these statements (WITH GRANT OPTION appended)

    GRANT ALL PRIVILEGES ON *.* TO 'root'@'myIpAddress' IDENTIFIED BY PASSWORD 'myPasswordencrypted' with GRANT OPTION
GRANT ALL PRIVILEGES ON `qrtest_db`.* TO 'root'@'myIpAddress' WITH GRANT OPTION
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