Error message in the Ops Console when trying to perform a push from Stg to UAT:
Failed to execute due to Unable to retrieve metadata from dev-fr03 due to
Unable to authenticate admin using apiKey xxx from multi instance web service http://dev-fr03/HEAT/services/MultiInstanceManager.aspx: Unhandled system exception: System.Web.Services.Protocols.SoapException: Server was unable to process request ---> System Exception: License not available for this Tenant.
There was no license installed on the UAT tenant. An old license was reissued as the license file on the server had become corrupt. Once this was installed into the tenant the push succeed.