HMRC HTTP status Error 500 Internal Server Error - 501, 503, 504

HMRC Message HTTP status 500 (Internal Server Error)

Symptoms:

HMRC server has returned an error message:
HTTP status: 500(Internal Server Error), Code: INTERNAL_SERVER_ERROR
Internal server error. Or
The remote server returned an error: (500) Internal Server Error.

This issue is not caused by Andica software, the software is simply relaying the response received from HMRC's server. 

A 500 error is not something you can fix, but requires a fix by the web server(HMRC server) you are trying to access.

Cause and suggestion:

HTTP error 500 is a HTTP status code which occurs when the web server(HMRC server) encounters a problem that prevents it from returning the requested web page. Known as an Internal Server Error, the error 500 is reported by the Software but the problem is with the HMRC service itself.

Advice when experiencing error 500 to 599:

  • The HTTP error 500 may only be temporary. Please retry once the HMRC has fixed the issue.
  • The error 500 occurs on the web server(HMRC server) and therefore this is usually resolved by fixes to it. Please contact HMRC for further help.
  • Or Please retry after sometime

If the issue persists, you will need to contact HMRC Online Services helpdesk on 0300 200 3701 and speak with their MTD VAT team. We cannot access HMRC systems to check what is wrong within your digital account and the clients MTD VAT registration (You should use the link for Get help using VAT online services).

HMRC Guide to error codes advises that any 500 codes (500 to 599) is an issue from HMRC server.

Software Message (Symptoms)
HMRC Error scenario
HMRC Error code
Cause
Solution
HMRC server has returned an error message:
HTTP status: 500(Internal Server Error), Code: INTERNAL_SERVER_ERROR
Internal server error.
Internal server error
INTERNAL_SERVER_ERROR
HMRC server is not responding due to some technical error.
Please contact HMRC for further help.
More Details
The remote server returned an error: (500) Internal Server Error.
Unexpected error occurred
Unexpected error occurred.
server_error
HMRC server is not responding due to some technical error.
HMRC server has returned an error message:
HTTP status: 501(Not Implemented), Code: NOT_IMPLEMENTED
API not implemented/deployed.
API not implemented/deployed
NOT_IMPLEMENTED
API not implemented/deployed
HMRC server has returned an error message:
HTTP status: 503(Service Unavailable), Code: SERVER_ERROR
Service unavailable.
Service unavailable
SERVER_ERROR
HMRC server is not responding due to the Service unavailability.
HMRC server has returned an error message:
HTTP status: 503(Service Unavailable), Code: SCHEDULED_MAINTENANCE
Scheduled maintenance.
Scheduled maintenance
SCHEDULED_MAINTENANCE
HMRC server is not responding due to the Scheduled maintenance or server downtime.
HMRC server has returned an error message:
HTTP status: 504(Gateway Timeout), Code: GATEWAY_TIMEOUT
Request timed out.
Request timed out
GATEWAY_TIMEOUT
The Request made to the HMRC was timed out.

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