How to resolve "[nQSError: 12002] Socket communication error at call=: (Number=-1) Unknown"
Read OriginalThis technical article details how to resolve the OBIEE error "[nQSError: 12002] Socket communication error." It explains the error's cause (inability to connect to the BI Server on port 9703), walks through diagnostic steps like checking server status and network connectivity, and identifies a common solution: configuring or disabling the host machine's firewall to allow traffic on the correct port.
![How to resolve "[nQSError: 12002] Socket communication error at call=: (Number=-1) Unknown"](https://alldevblogs.blob.core.windows.net/thumbs/article-01247bbbc9e3-full-b76947b9.webp)
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