Erro: SQLSTATE[HY000] Unable to connect: Adaptive Server is unavailable or does not exist (severity 9) | Laravel.io
![Failed to connect to a db with error "20009, 'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist(localhost:1433)\nNet-Lib error during connection refused Failed to connect to a db with error "20009, 'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist(localhost:1433)\nNet-Lib error during connection refused](https://groups.google.com/group/pymssql/attach/5ab826f841f33/freetds.jpg?part=0.1)
Failed to connect to a db with error "20009, 'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist(localhost:1433)\nNet-Lib error during connection refused
Adaptive Server is unavailable or does not exist in pymssql 2.2.2 with "2021-05-07-raspios-buster-armhf-lite" · Issue #721 · pymssql/pymssql · GitHub
![python 3.x - Adaptive Server is unavailable or does not exist (EFSPC14)\nDB-Lib error message 20009, severity - Stack Overflow python 3.x - Adaptive Server is unavailable or does not exist (EFSPC14)\nDB-Lib error message 20009, severity - Stack Overflow](https://i.stack.imgur.com/5mOJv.png)
python 3.x - Adaptive Server is unavailable or does not exist (EFSPC14)\nDB-Lib error message 20009, severity - Stack Overflow
![SQL connection error - or can I use web services - UniLogic Software - Unitronics Support Forum: Programmable Controllers (PLC + HMI All-in-One) SQL connection error - or can I use web services - UniLogic Software - Unitronics Support Forum: Programmable Controllers (PLC + HMI All-in-One)](https://content.invisioncic.com/r129856/monthly_2020_02/image.png.1f88f54dc59af693b54f24e69863c617.png)
SQL connection error - or can I use web services - UniLogic Software - Unitronics Support Forum: Programmable Controllers (PLC + HMI All-in-One)
![pymssql连接sql server报错Unable to connect: Adaptive Server is unavailable_adaptive server is unavailable or does not exist-CSDN博客 pymssql连接sql server报错Unable to connect: Adaptive Server is unavailable_adaptive server is unavailable or does not exist-CSDN博客](https://img-blog.csdnimg.cn/20210708230945293.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80OTg1ODgyMw==,size_16,color_FFFFFF,t_70)
pymssql连接sql server报错Unable to connect: Adaptive Server is unavailable_adaptive server is unavailable or does not exist-CSDN博客
Adaptive Server is unavailable or does not exist" error connecting to SQL Server from PHP - Stack Overflow
ERROR: DB-Library error: DB #: 20009, DB Msg: Unable to connect: Adaptive Server is unavailable or does not exist, OS #: 111, OS Msg: Connection refused, Level: 9 SQL state: HV00L ·
SQLSTATE[HY000] Unable to connect: Adaptive Server is unavailable or does not exist (127.0.0.1) (severity 9) · Issue #10749 · yiisoft/yii2 · GitHub
![centos - FreeTDS - Unable to connect: Adaptive Server is unavailable or does not exist - Stack Overflow centos - FreeTDS - Unable to connect: Adaptive Server is unavailable or does not exist - Stack Overflow](https://i.stack.imgur.com/IX3zZ.png)
centos - FreeTDS - Unable to connect: Adaptive Server is unavailable or does not exist - Stack Overflow
ERROR: DB-Library error: DB #: 20009, DB Msg: Unable to connect: Adaptive Server is unavailable or does not exist, OS #: 111, OS Msg: Connection refused, Level: 9 SQL state: HV00L ·
Adaptive Server is unavailable when connecting to local instance · Issue #306 · rails-sqlserver/tiny_tds · GitHub
![python3.7 连接sql server出现pymssql.OperationalError: (20009, b'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist (SZS\\SQLEXPRESS)\n')错误解决- 西风寞- 博客园 python3.7 连接sql server出现pymssql.OperationalError: (20009, b'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist (SZS\\SQLEXPRESS)\n')错误解决- 西风寞- 博客园](https://img2018.cnblogs.com/blog/1706527/201906/1706527-20190609135129842-1790962644.png)
python3.7 连接sql server出现pymssql.OperationalError: (20009, b'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist (SZS\\SQLEXPRESS)\n')错误解决- 西风寞- 博客园
![python 3.x - Adaptive Server is unavailable or does not exist (EFSPC14)\nDB-Lib error message 20009, severity - Stack Overflow python 3.x - Adaptive Server is unavailable or does not exist (EFSPC14)\nDB-Lib error message 20009, severity - Stack Overflow](https://i.stack.imgur.com/KUZni.png)