Due to a known issue in Veeam Backup for Salesforce, if the Consumer Key or Consumer Secret contains an equal (=) symbol, the software will throw the following error:
52C4: Received invalid response code from Salesforce Http status code - 400 BAD_REQUEST. Error message - client identifier invalid
This issue will be corrected in a future version. Until then, if the Consumer Key or Consumer Secret contains an equal (=) symbol, a new ECA must be built, as there is no way to regenerate the Key or Secret for an existing ECA.
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