1. Introduction In this documentation, we will see how to upgrade SpanKey Server and Client from version 1 to version 2. Note SpanKey Server v1 and v2 can work with both SpanKey Client v1 and v2 for NSS request only. For SSH key management features, you must use matching Server and Client versions. 2. Upgrade SpanKey Server In this document, we will upgrade the Spankey Server from v1.0.3-6 to v2.