darkhorse Posted September 24, 2021 Share Posted September 24, 2021 Hi, everyone! When I open vSphere Client, I keep getting a 503 Service Unavailable error. I don't understand what the problem is. Does someone know any solution? 1 Quote Link to comment Share on other sites More sharing options...
fio_fan Posted September 24, 2021 Share Posted September 24, 2021 Hi, @darkhorse! I also had it once. In the end, turned out that I had no disk space. 1 Quote Link to comment Share on other sites More sharing options...
darkhorse Posted September 24, 2021 Author Share Posted September 24, 2021 @fio_fan, I've checked it already, not my case. Any other suggestions? Thank you anyways! 1 Quote Link to comment Share on other sites More sharing options...
Official Moderator Posted September 27, 2021 Share Posted September 27, 2021 Hello, @darkhorse! Various factors can cause 503 Service Unavailable error: Some services aren't loaded yet, and as a result, they aren't running (for example, the reverse Proxy or vSphere web client service can be down). vCenter Server can be on maintenance vCenter Server can be overloaded There can be some disk issues on the vCenter server The problem can be with a database used by vCenter There can be network issues Note: You can't fix the error on the client side. Instead, do that on the vCenter server. Please find the detailed guide on how to resolve any possible issue in our blog post https://www.nakivo.com/blog/503-service-unavailable-error-on-the-vsphere-web-client/ Let me know if you need any further help with your issue. Quote Link to comment Share on other sites More sharing options...
Jameswalter Posted February 9 Share Posted February 9 The HyperText Transfer Protocol (HTTP) 503 Service Unavailable server error response code indicates that the server is not ready to handle the request. Common causes are a server that is down for maintenance or that is overloaded. 1 Quote Link to comment Share on other sites More sharing options...
Dianahemes Posted March 2 Share Posted March 2 The HyperText Transfer Protocol (HTTP) 503 Service Unavailable server error response code indicates that the server is not ready to handle the request. Common causes are a server that is down for maintenance or that is overloaded. Regards, Diana 1 Quote Link to comment Share on other sites More sharing options...
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