Error: Authorisation Failure when filing accounts to Companies House

Scenario

You may get the following error message when you file accounts to Companies House.
Error message
Error number 502: Authorisation Failure.

Solution

  • In DCS 24.1, we updated validation rules on the Presenter ID field to support the newer format of IDs starting with
    E
    .
  • A small number of customers have reported issues with newly issued Companies House Authentication Codes.
We implemented a minor Company Secretarial update to accept both upper- and lowercase letters in authentication codes. Some customers may see error 502: authorisation failure.
To resolve this, take the following actions;
  1. Sign in to the
    Company Secretarial
    as an administrator, or user with administrative rights.
  2. Navigate to
    Tools
    then
    Manage Presenter Details
    .
  3. Select the
    Companies House
    tab and select the 3 dots next to
    Electronic filing: Enabled
  4. Replace all lower-case characters on the Presenter Authentication Code with upper-case characters.
  5. Select
    OK
    and you'll get confirmation that the electronic filing details appear to be valid.
  6. You can then file your forms and accounts successfully to Companies House.