We generated new OAuth2 credentials through
the https://console.cloud.google.com and then we were able to create new
refresh tokens. Seems to be working so far.
On Thursday, February 23, 2017 at 2:23:36 PM UTC-7, PPC Developer wrote:
>
> Hi,
>
> This is perplexing...Our solution uses OAuth2 with refresh tokens and we
> have multiple C# clients deployed on multiple machines running on windows,
> managing our accounts MCC child accounts.
>
> Suddenly, the clients all started having invalid_grant errors. This is a
> pretty stable code that has been running for 18 months without any issues.
> See below the error details. We're using .NET client library,
> implementation with C#.
>
> Please let us know what the issue is with our access token?
>
>
>
> HRESULT -2146233088
> Failed to refresh access token.
> {
> "error" : "invalid_grant"
> }
>
>
>
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