# Ignition 8.1 MSSQL Express database connection issues

**URL:** <https://forum.inductiveautomation.com/t/ignition-8-1-mssql-express-database-connection-issues/94115>\
**Category:** Ignition\
**Tags:** database, ignition81\
**Created:** [August 2, 2024, 2:30pm UTC](https://forum.inductiveautomation.com/t/ignition-8-1-mssql-express-database-connection-issues/94115 "2024-08-02T14:30:02Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![JordanCClark](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jordancclark/32/83362_2.png) [@JordanCClark](https://forum.inductiveautomation.com/u/JordanCClark)\
**Post date:** [August 2, 2024, 2:51pm UTC](https://forum.inductiveautomation.com/t/ignition-8-1-mssql-express-database-connection-issues/94115/3 "2024-08-02T14:51:38Z")

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Also make sure you are not using LocalDB, and that you are conecting over TCP/IP

> [@Database Connection - SQL Server 2017 Express LocalDB](https://forum.inductiveautomation.com/t/database-connection-sql-server-2017-express-localdb/31904/2):
>
> LocalDB does not accept TCP/IP connections which is what Ignition needs to use, even if it’s on the same computer. Use the standard version of Express.

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