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Troubleshooting Connectivity Errors

The CSS SQL Server Engineers have a guide for solving connectivity issues:

In addition to providing a quick checklist of items that you can go through, the doc provides step by step troubleshooting procedures for the following error messages:

  • A network-related or instance-specific error occurred while establishing a connection to SQL Server

  • No connection could be made because the target machine actively refused it

  • SQL Server does not exist or access denied

  • PivotTable Operation Failed: We cannot locate a server to load the workbook Data Model

  • Cannot generate SSPI context

  • Login failed for user

  • Timeout Expired

  • The timeout period elapsed prior to obtaining a connection from the pool

Click through for the guide. ┬áIt’s in choose-your-own-adventure format, though without nice graphics.