List of HTTP status codes
Retrieved December 20, The server failed to fulfil a request. The client browser tries to use a client certificate that was revoked by the issuing certification authority. Home users This article is intended for use by support agents and IT professionals.
Status codes are issued by a server in response to a client's request made to the server. The first digit of the status code specifies one of five standard classes of responses.
The message phrases shown are typical, but any human-readable alternative may be provided. Microsoft Internet Information Services IIS sometimes uses additional decimal sub-codes for more specific information,  however these sub-codes only appear in the response payload and in documentation, not in the place of an actual HTTP status code.
All HTTP response status codes are separated into five classes or categories. The first digit of the status code defines the class of response. The last two digits do not have any class or categorization role. There are five values for the first digit:. An informational response indicates that the request was received and understood.
It is issued on a provisional basis while request processing continues. It alerts the client to wait for a final response. The message consists only of the status line and optional header fields, and is terminated by an empty line. This class of status codes indicates the action requested by the client was received, understood and accepted.
This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD. A user agent may automatically redirect a request.
A user agent should detect and intervene to prevent cyclical redirects. This class of status code is intended for situations in which the error seems to have been caused by the client. Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, and whether it is a temporary or permanent condition.
These status codes are applicable to any request method. User agents should display any included entity to the user. The server failed to fulfil a request. Response status codes beginning with the digit "5" indicate cases in which the server is aware that it has encountered an error or is otherwise incapable of performing the request.
Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, and indicate whether it is a temporary or permanent condition. Likewise, user agents should display any included entity to the user. These response codes are applicable to any request method.
Microsoft's Internet Information Services web server expands the 4xx error space to signal errors with the client's request. The nginx web server software expands the 4xx error space to signal issues with the client's request.
Cloudflare 's reverse proxy service expands the 5xx series of errors space to signal issues with the origin server. From Wikipedia, the free encyclopedia. Retrieved 16 December Retrieved January 8, Retrieved April 1, Retrieved 16 October Semantics and Content - 5.
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All posts Previous Topic Next Topic. Everything worked for 3 moths without any problem, but now and only at one user is problem with running flows, when user click on button which run flows he gets ""Service returned error.: User has same privilieges like other users in Dynamics and also in O Any ideas where can be a problem?
Report Inappropriate Content Message 1 of 7. Connecting to Data Forum Help. Can the user create flows based on other connectors? Best regards, Mabel Mao. Report Inappropriate Content Message 2 of 7. I try verifiy connecting to other services by flows at this user. Report Inappropriate Content Message 3 of 7.
Report Inappropriate Content Message 4 of 7. Report Inappropriate Content Message 5 of 7. User cant run these flows, but other users with same privileges can run these flows.