What Is the SQL Server CEIP Service?

The CEIP Service is the Customer Experience Improvement Program that sends telemetry data back to Microsoft.

When you install Microsoft SQL Server, the CEIP Service is installed too. You can’t disable it during installation: it shows up in your services list whether you want it or not.

SQL Server CEIP Service

You know it’s high quality when they can’t even capitalize SQL Server correctly

What data does the CEIP Service collect?

Microsoft goes into a lot of detail here, and the short answer is things like:

  • Crash dumps – which may contain your data and the exact contents of your queries, which can contain personally identifiable information
  • Login names, email addresses, location information, server names (read the “End-user identifiable information” section, in particular the part about “may be emitted to Microsoft to deliver new hybrid and cloud features”)
  • Behavioral/usage data, server configuration, feature configuration, hardware manufacturers
  • Database names, table names, and column names

If you’d like to see examples of the exact queries it runs, I captured a trace of the CEIP Service’s queries in this post.

Can you disable the CEIP Service?

If you’re using SQL Server Standard Edition or Enterprise Edition, then on the SQL Server, go into the Start menu, Microsoft SQL Server, SQL Server Error and Usage Reporting. A dialog box will let you un-check the error reporting and feature usage reporting.

After you uncheck those boxes and click OK, the CEIP Service will still be running, but it won’t send any data back to Microsoft. The documentation says so, so it must be true, right? (Tin foil hat goes here.) If you’re managing a lot of servers in an enterprise, you can also use Group Policy to push out these registry keys to control data collection and crash dump collection.

A security-conscious customer of mine goes so far as to disable the service, then change the logon account for the SQLCEIP service to an invalid account & password, and uses PowerShell to check its login on a regular basis, making sure it doesn’t get re-enabled by a Cumulative Update.

However, if you’re using SQL Server Developer Edition or Express Edition, you can’t disable CEIP for SQL Server. Microsoft’s policy is that people who use free versions of SQL Server are paying for that by sending in their private data to Microsoft. The CEIP Service documentation page says:

Even if you follow the above instructions on Developer Edition, they’ll appear to work, but you’ll still be sending telemetry data back to Microsoft.

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