SQLSTATE[HYT00]:[Microsoft][ODBC Driver 18 for SQL Server]Login timout expired from Azure App Service with Linux container

Vijay NT 21 Reputation points
2023-01-10T19:48:58.307+00:00

We have an application in Codeigniter that connect to a SQL Server database. The application is a docker Linux container hosted in Azure App Service. We are getting the following error randomly

SQLSTATE[HYT00]:[Microsoft][ODBC Driver 18 for SQL Server]Login timout expired

We are using PDO and SQLSRV. The PHP version used is 8.1. Recently we have upgraded the PHP from 7.3 to 8.1. Earlier the application hosted Linux VM.

Thanks for any help in advance.

Azure SQL Database
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