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WorkNote/SanPinPLM/报错处理/SQL Server不存在或访问被拒绝.md

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# 问题情况
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`ODBC` 配置数据源时出现如下报错中的任意一种
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![](assets/Pasted%20image%2020250911132448.png)![](assets/Pasted%20image%2020250911132506.png)
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![](assets/Pasted%20image%2020250911132816.png)
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![](assets/Pasted%20image%2020250911132522.png)
# 问题原因
数据库服务器IP地址不对或数据库主机未开机、或数据库主机网络不可达
![](assets/Pasted%20image%2020250911132448.png)
![](assets/Pasted%20image%2020250911132506.png)
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端口号错误(或数据服务端未开启 `TCP/IP` 协议或服务端防火墙未允许1433端口入站
![](assets/Pasted%20image%2020250911132816.png)
本地防火墙阻止出站