Hi Yasar,
It happened at the same time across all our clients' 600 different Google
logins. We "probably" found the reason for the issue - after switching from
.NET 5 to .NET 6 it worked again. I am suspecting that it is actually a
Google Ads .NET library issue.
Best,
Ales
On Wednesday, 7 September 2022 at 15:22:49 UTC+2 adsapi wrote:
> Hi Ales,
>
> Thanks for reaching out to the Google Ads API Forum.
>
> I had removed your second post as I can see that sensitive complete logs
> posted on the forum thread. You may avoid posting on forums but you may
> send to our team using reply privately to author option. For your
> reference, you may refer below redacted post:
>
> “I just noticed that this problem is only related to our production
> *clientId*. Other applications work fine.
>
> ---------------BEGIN API CALL---------------
>
> Request
>
> -------
>
> Method Name: /google.ads.googleads.v10.services.GoogleAdsService/Search
>
>
>
> { "customerId": "8849681417", "query": "SELECT\r\n
> customer_client.client_customer,\r\n
> customer_client.level,\r\n
> customer_client.manager,\r\n
> customer_client.descriptive_name,\r\n
> customer_client.currency_code,\r\n
> customer_client.time_zone,\r\n
> customer_client.id\r\n FROM
> customer_client\r\n WHERE\r\n
> customer_client.level = 1" }
>
>
>
> Response
>
> --------
>
>
>
> Fault: {
>
> "StatusCode": 16,
>
> "Details": "Request is missing required authentication credential.
> Expected OAuth 2 access token, login cookie or other valid authentication
> credential. See
> https://developers.google.com/identity/sign-in/web/devconsole-project.";,
>
> "RequestId": "zFBevSFWmBN5c6GMEyWDzw",
>
> "Failure": {
>
> "errors": [
>
> {
>
> "errorCode": {
>
> "authenticationError": "TWO_STEP_VERIFICATION_NOT_ENROLLED"
>
> },
>
> "message": "An account administrator changed this account's
> authentication settings. To access this Google Ads account, enable 2-Step
> Verification in your Google account at
> https://www.google.com/landing/2step.";
>
> }
>
> ],
>
> "requestId": "zFBevSFWmBN5c6GMEyWDzw"
>
> }
>
> }
>
> ----------------END API CALL----------------
>
> ”
>
> Moving forward, kindly note that the account administrators can require
> all users of a Google Ads account to *enable 2-Step Verification*
> <https://support.google.com/google-ads/answer/2375456> in order to access
> the Google Ads account. This appears to be happening in your case as
> mentioned in this *document*
> <https://developers.google.com/google-ads/api/docs/oauth/2sv?hl=en#case_2_an_administrator_requires_all_users_of_a_account_to_enable_2-step_verification>
> .
>
> If the user enabled 2-step verification, then during the *OAuth2
> authentication flow*
> <https://developers.google.com/google-ads/api/docs/oauth/client-library#configure_client_library_with_oauth2_credentials>,
>
> Google prompts the user for 2-step verification before issuing a refresh
> token. If they didn't enable 2-step verification, then they won't see the
> 2-step verification prompt. This experience is independent of the setting
> that the administrator enabled for the Google Ads account.
>
> Once issued, the refresh token can be used to issue access tokens.
> However, the API calls made using this access token will fail with an
> *AuthenticationError.TWO_STEP_VERIFICATION_NOT_ENROLLED*
> <https://developers.google.com/google-ads/api/reference/rpc/v11/AuthenticationErrorEnum.AuthenticationError#two_step_verification_not_enrolled>
>
> in the Google Ads API until the user enables 2-step verification in their
> Google account.
>
> Also, an existing refresh token that was issued before the user enabled
> 2-step verification remains unaffected after the user enables 2-step
> verification. It can be used to issue access tokens as usual. However, the
> API calls made using this access token will continue to fail with an
> *AuthorizationError.TWO_STEP_VERIFICATION_NOT_ENROLLED*
> <https://developers.google.com/adwords/api/docs/reference/latest/CampaignService.AuthorizationError#reason>
>
> error in the AdWords API and
> *AuthenticationError.TWO_STEP_VERIFICATION_NOT_ENROLLED*
> <https://developers.google.com/google-ads/api/reference/rpc/v11/AuthenticationErrorEnum.AuthenticationError#two_step_verification_not_enrolled>
>
> in the Google Ads API until the user enables 2-step verification in their
> Google account.
>
> Let us know if you have any questions.
>
> Regards,
> [image: Google Logo]
> Yasar
> Google Ads API Team
>
>
> ref:_00D1U1174p._5004Q2dwCXT:ref
>
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