Effective December 3, NetApp adopts Microsoft’s Business-to-Customer (B2C) identity management to simplify and provide secure access to NetApp resources.For accounts that did not pre-register (prior to Dec 3), access to your NetApp data may take up to 1 hour as your legacy NSS ID is synchronized to the new B2C identity.To learn more, read the FAQ and watch the video.Need assistance? Complete this form and select “Registration Issue” as the Feedback Category.
You are receiving the "protocol violation" error because the header in the negotiation request is considered "unsafe," resulting in the rejection. Please check the certificates on the WFA host and the NetApp Cluster were installed correctly. In addition, you must stop the WFA Database and WFA Server services prior to replacing the certificates and restarting the services afterward.
Here is a reference document walking you through how to update the WFA certificates:
Accessing the log through the web interface, in wfa.log show recurring Java error :
2020-11-26 05:56:45,751 WARN [com.netapp.wfa.common.io.ExecutionUtils] (Thread-157 (ActiveMQ-client-global-threads)) Exception while getting password from Vault:: org.jboss.security.vault.SecurityVaultException: java.lang.IllegalArgumentException: Null input buffer
I won't paste the full stack but some interesting lines (IMO) :
Caused by: java.lang.IllegalArgumentException: Null input buffer