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Try SSMS 19.1 which is the most recent version. Note that since this is a new major version, it will install in parallel with SSMS 18, and not upgrade your installation. You can get the goods here.
SQL Server Invalid version: 15 (Microsoft.SqlServer.Smo)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(57.599999999999994, 50%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Ryder Middleton
50
Reputation points
SQL Server 2019 version 12.0.2000.8
When I try to right click on a stored procedure to modify I get this error. I have the latest update.
SQL Server Invalid version: 15 (Microsoft.SqlServer.Smo)
SQL Server Other
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Erland Sommarskog 121.4K Reputation points MVP Volunteer Moderator2023-07-26T22:06:58.8966667+00:00 SQL 2019 version numbers starts with 15. The version number you give sounds like Azure SQL Database or Azure SQL Database.
Anyway, in SSMS, if you to Help->About what version numbers do you see?
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Ryder Middleton 50 Reputation points
2023-07-27T11:58:07.31+00:00 It's an Azure SQL Database Managed Instance. SSMS version 18.12.1
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Dan Guzman 9,401 Reputation points2023-07-27T13:01:23.5833333+00:00 Have you tried the current SSMS versions (19.1)?
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Accepted answer
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Erland Sommarskog 121.4K Reputation points MVP Volunteer Moderator
2023-07-27T12:27:41.17+00:00
2 additional answers
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Vahid Ghafarpour 23,385 Reputation points Volunteer Moderator2023-07-26T21:10:28.2+00:00 SMO is SQL Server Management Object so you need to check SQL Server Management Studio (SSMS) Version
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Ryder Middleton 50 Reputation points
2023-07-27T11:57:49.3733333+00:00 It's an Azure SQL Database Managed Instance. SSMS version 18.12.1
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous2023-07-27T08:25:57.39+00:00 I found a similar thread for you, maybe you can refer to: https://stackoverflow.com/questions/57262748/sql-server-invalid-version-15-microsoft-sqlserver-smo.
Best regards,
Aniya