34 lines
1.3 KiB
Markdown
34 lines
1.3 KiB
Markdown
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## Attempting a TCP/IP connection to a SQL Server database that resolves to `localhost` fails
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### Scope
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Minor
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### Version Introduced
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4.6
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### Version Reverted
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4.6.2
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### Source Analyzer Status
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NotPlanned
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### Change Description
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In the .NET Framework 4.6 and 4.6.1, attempting a TCP/IP connection to a SQL Server database that resolves to `localhost` fails with the error, "A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)"
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- [ ] Quirked // Uses some mechanism to turn the feature on or off, usually using runtime targeting, AppContext or config files. Needs to be turned on automatically for some situations.
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- [ ] Build-time break // Causes a break if attempted to recompile
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### Recommended Action
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This issue has been addressed and the previous behavior restored in the .NET Framework 4.6.2. To connect to a SQL Server databsae that resolves to `localhost`, upgrade to the .NET Framework 4.6.2.
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### Affected APIs
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* Not detectable via API analysis
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### Category
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Data
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<!-- breaking change id: 191 -->
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