Sunday, September 17, 2017


SQL Server Connectivity Issues: Guided Walkthrough

It’s not uncommon to see questions on StackOverflow relating to SQL Server connectivity issues. Microsoft support have published the following guide to help troubleshoot connectivity issues:

Solving Connectivity errors to SQL Server

In addition to providing a checklist of items that you can go through, it 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

There are also troubleshooting guides for Always On and SQL Azure DB connectivity issues:

Troubleshooting Always On Issues

Troubleshooting connectivity issues with Microsoft Azure SQL Database


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