Trouble uninstalling and re-installing SQL Server 2019 Standard on a Windows 11 device.

Question

Trouble uninstalling and re-installing SQL Server 2019 Standard on a Windows 11 device.

MR BILL 266

I'm having major issues uninstalling and re-installing SQL server 2019 Standard. It took forever to uninstall 2019 SQL Server and it left a lot of stuff uninstalled. I had other versions of SQL Server installed over time all the way back to 2008. I've uninstalled them all but it was acting like it wasn't uninstalled when I would reinstall, like showing instances that I know I had uninstalled already ect. I believe I finally got everything uninstalled but I'm now getting errors when installing and I've attached the two errors. I'm trying to find out if there is a way to manually uninstall everything SQL Server through the registry or if anyone has ideas as to what I should do to get the 2019 SQL Server standard installed correctly. Backward compatibility and replication seem to not have installed correctly. Also, SQL Configuration Manager did not install correctly. Any help is appreciated.

Seeya Xi-MSFT 16,586 Reputation points

2022-05-23T01:58:47.353+00:00

Hi @MR BILL ,

We have not received a response from you. Did the reply could help you? If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. By doing so, it will benefit all community members who are having this similar issue. Your contribution is highly appreciated.

Best regards,
Seeya
MR BILL 266 Reputation points

2022-05-23T17:59:53.733+00:00

Thanks, that did the trick!
Anonymous

2023-05-20T16:50:53.3366667+00:00

Why is it so complicated just to uninstall and reinstall Microsoft SQL Server 2019? I have been at this for over an hour now and keep running into errors. I uninstalled every program pertaining to Microsoft SQL Server 2019 and I keep getting "exit code 2069119551" when I try to reinstall it and the instances I have uninstalled 3 times now keep reappearing when I check on them again. This should be streamlined for easier use. I am a student trying to learn and I don't understand every dependency of the program yet and have no knowledge of the locations of every file I need to delete and uninstall to get this to work. I keep trying to fully uninstall and it tells me I need to uninstall dependencies first. When I try to uninstall the dependencies I get more messages saying they are dependent on other files that I need to remove first. I'm trying to follow the directions in the previous comments on this forum but I am having a lot of trouble getting this to work.

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Seeya Xi-MSFT 16,586 Reputation points

2022-05-23T01:58:47.353+00:00

Hi @MR BILL ,

We have not received a response from you. Did the reply could help you? If the response helped, do "Accept Answer". If it doesn't work, please let us know the progress. By doing so, it will benefit all community members who are having this similar issue. Your contribution is highly appreciated.

Best regards,
Seeya
MR BILL 266 Reputation points

2022-05-23T17:59:53.733+00:00

Thanks, that did the trick!
Anonymous

2023-05-20T16:50:53.3366667+00:00

Why is it so complicated just to uninstall and reinstall Microsoft SQL Server 2019? I have been at this for over an hour now and keep running into errors. I uninstalled every program pertaining to Microsoft SQL Server 2019 and I keep getting "exit code 2069119551" when I try to reinstall it and the instances I have uninstalled 3 times now keep reappearing when I check on them again. This should be streamlined for easier use. I am a student trying to learn and I don't understand every dependency of the program yet and have no knowledge of the locations of every file I need to delete and uninstall to get this to work. I keep trying to fully uninstall and it tells me I need to uninstall dependencies first. When I try to uninstall the dependencies I get more messages saying they are dependent on other files that I need to remove first. I'm trying to follow the directions in the previous comments on this forum but I am having a lot of trouble getting this to work.

Answer 1

Hi @MR BILL ,

Welcome to Microsoft Q&A!
Please follow the below steps to remove all components of previous installed SQL Server completely:

Remove all SQL Server components from 'Programs and Features'
Backup the registry
Delete the following keys in regedit:
--HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server
--HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer
Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall and delete all the sub-keys referencing SQL Server
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services and delete all the keys referencing SQL Server
Reboot the machine
In addition, please use an administrator account to reinstall SQL Server on your computer(Right click->run as administrator).
If a new error appears on reinstallation, please provide summary.txt or detail.txt for troubleshooting. I put the path here.

Best regards,
Seeya

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Trouble uninstalling and re-installing SQL Server 2019 Standard on a Windows 11 device.

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