![Browsing the MOB on ESX 6 displays 503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x4bf02038] _serverNamespace = /mob _isRedirect = false _pipeName =/var/run/vmware/proxy -mob) Browsing the MOB on ESX 6 displays 503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x4bf02038] _serverNamespace = /mob _isRedirect = false _pipeName =/var/run/vmware/proxy -mob)](https://2.bp.blogspot.com/-HJ8DX__4-7Q/VvVmD_L2nlI/AAAAAAAAA08/_aWltArssiEVKAbIqNJrgfrh0Shn9wlfQ/s1600/503%2BService%2BUnavailable.png)
Browsing the MOB on ESX 6 displays 503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x4bf02038] _serverNamespace = /mob _isRedirect = false _pipeName =/var/run/vmware/proxy -mob)
![Cloudflare Proxy] 503 Service Temporarily Available only on POST Requests - DNS & Network - Cloudflare Community Cloudflare Proxy] 503 Service Temporarily Available only on POST Requests - DNS & Network - Cloudflare Community](https://global.discourse-cdn.com/cloudflare/optimized/3X/9/9/9925f9f00fa47ec358b0ae3012a46227f95e2974_2_689x219.png)
Cloudflare Proxy] 503 Service Temporarily Available only on POST Requests - DNS & Network - Cloudflare Community
Problem with authentication to external system. Unable to tunnel through proxy. Proxy returns "HTTP/1.1 503 Service Unavailable - Salesforce Developer Community
ERROR] java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 503 Service Unavailable"Communication exception, Proxy settings might be incorrect" when using the API in the webservice transformation in IICS.
![1 Error 503 when access from host/outside to container nginx-proxy · Issue #1174 · nginx-proxy/nginx-proxy · GitHub 1 Error 503 when access from host/outside to container nginx-proxy · Issue #1174 · nginx-proxy/nginx-proxy · GitHub](https://user-images.githubusercontent.com/23114902/46866552-1205b380-ce4c-11e8-90ac-a384835851cf.png)
1 Error 503 when access from host/outside to container nginx-proxy · Issue #1174 · nginx-proxy/nginx-proxy · GitHub
![Cloudflare Proxy] 503 Service Temporarily Available only on POST Requests - DNS & Network - Cloudflare Community Cloudflare Proxy] 503 Service Temporarily Available only on POST Requests - DNS & Network - Cloudflare Community](https://global.discourse-cdn.com/cloudflare/original/3X/c/0/c02b26d279f7e22ed4fbe403e1d8e3182a7c9441.png)
Cloudflare Proxy] 503 Service Temporarily Available only on POST Requests - DNS & Network - Cloudflare Community
![Configurer les paramètres de proxy et de connectivité Internet des points de terminaison - Microsoft Defender for Identity | Microsoft Learn Configurer les paramètres de proxy et de connectivité Internet des points de terminaison - Microsoft Defender for Identity | Microsoft Learn](https://learn.microsoft.com/fr-fr/defender-for-identity/media/error-503.png)
Configurer les paramètres de proxy et de connectivité Internet des points de terminaison - Microsoft Defender for Identity | Microsoft Learn
![503 connect() failed (111: Connection refused) while connecting to upstream in nginx-proxy nginx-proxy - Lightrun 503 connect() failed (111: Connection refused) while connecting to upstream in nginx-proxy nginx-proxy - Lightrun](https://lightrun.com/wp-content/uploads/2023/01/503-connect-failed-111-Connection-refused-while-connecting-to-upstream-in-nginx-proxy-nginx-proxy.png)