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SqlConnection.Open hangs when connecting to SQL Server 2012SP4
See original GitHub issueThe following code hangs, when trying to connect to SQL Server 2012 SP4
var connection = new SqlConnection(connectionString);
connection.Open();
.NET Core Version: 3.1 (from mcr.microsoft.com/dotnet/core/sdk:3.1 docker image) System.Data.SqlClient Version: 4.3.0 OS: Linux (inside a container) SQL Server version: 2012 (SP4-GDR)
This code works on Mac and Windows though, connecting to exactly the same SQL Server.
According to Microsoft Extended Support doesn’t end until 2022, so I would expect that I could connect to it from .NET Core
Reproduction project: gist.github.com
SQL Server version details:
> SELECT @@VERSION AS 'SQL Server Version';
> Microsoft SQL Server 2012 (SP4-GDR) (KB4057116) - 11.0.7462.6 (X64)
Jan 5 2018 22:11:56
Copyright (c) Microsoft Corporation
Enterprise Edition: Core-based Licensing (64-bit) on Windows NT 6.1 <X64> (Build 7601: Service Pack 1)
Related issue: dotnet/runtime#26759 - similar, but actually recommends upgrading to 2012
Issue Analytics
- State:
- Created 4 years ago
- Comments:10 (5 by maintainers)
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@joozek78 Glad you’ve resolved it.
Please remember TLS 1.0 and TLS 1.1 are deprecated and not recommended protocols, so you must try to move to TLS 1.2 by upgrading server machines.
I will close the issue at our end.
Please try to change Connection Timeout from 0 to 30, If you have given Connection Timeout is 0
Thanks