188.8.131.52.5 Sending Multi-Credit Requests
If Connection.SupportsMultiCredit is TRUE,
For all other requests, the client MUST set CreditCharge to 1, even if the payload size of a request or the anticipated response is greater than 65536.
If the client implements the SMB 2.1 dialect or SMB 3.x dialect family and Connection.SupportsMultiCredit is FALSE, CreditCharge SHOULD<94> be set to 0 and the payload size of a request or the maximum size of a response MUST be a maximum of 65536.
Otherwise, the CreditCharge field MUST be set to 0 and the payload size of a request or the maximum size of a response MUST be a maximum of 65536.
Before sending a multi-credit request, the client MUST consume the calculated number of consecutive MessageIds from Connection.SequenceWindow.