Skippr Docs

Appearance

Common MSSQL Source Setup Mistakes ​

May 2026

MSSQL source setup often breaks because ADO.NET connection strings hide important transport and certificate choices in one long line.

Short Answer ​

The most common MSSQL source mistakes are using an incomplete ADO.NET connection string, getting the server hostname or port wrong, and mis-handling encryption settings between local SQL Server and Azure SQL. Skippr expects a full connection_string, and the docs call out parameters like server, database, user id, password, Encrypt, and TrustServerCertificate because they directly affect whether the source is reachable.

A typical example is local development with a self-signed certificate. The login and password may be correct, but the connection still fails until TrustServerCertificate=true is present. The opposite mistake shows up in Azure SQL, where teams reuse local dev settings and forget that Encrypt=true and the fully qualified server name are the production baseline.

Why Teams Struggle with This ​

SQL Server setup mistakes are rarely about Skippr-specific syntax alone. They come from compressing network location, authentication, and TLS behavior into one connection string and then treating that string like an opaque secret rather than part of the source design.

  • The server value often carries the real problem, especially when the hostname, port, or Azure SQL fully qualified name is wrong.
  • Local development may require TrustServerCertificate=true, while production or Azure SQL usually expects stronger encryption settings.
  • A source login still needs read access to the tables or views you plan to ingest.
  • Because the connector is connection-string-driven, tiny parameter differences can look like generic login failures instead of concrete transport issues.

How Skippr Handles It ​

Skippr keeps the MSSQL connector intentionally narrow: you provide the ADO.NET connection string, and the docs explain the parameters that matter instead of hiding them behind a custom abstraction. That makes setup reviews faster because the team can reason directly about the SQL Server settings already in use.

The connector documentation also differentiates local SQL Server and Azure SQL patterns, which helps teams avoid copying the wrong certificate or server-name assumptions between environments.

  • A direct ADO.NET connection-string model that maps cleanly to SQL Server reality.
  • Documented guidance for Encrypt and TrustServerCertificate choices.
  • Compatibility with local Docker-based SQL Server evaluation and Azure SQL deployments.
  • A source path that stays explicit about hostname, database, login, and port.

What the First Useful Version Looks Like ​

A good first version is one verified connection string, one reachable server endpoint, and one login that can read a small set of source tables without broad extra privileges.

If SSL or hostname errors appear, inspect the connection-string parameters directly before changing Skippr settings elsewhere, because the transport details are usually the real issue.