Why "Cannot add storage connection. Storage connection already exists" error occur when adding an export domain in RHV?

Solution Verified - Updated -

Issue

  • Error message cannot add storage connection. Storage connection already exists is seen from RHV-Manager when adding an export domain. The issue occurs when detaching the domain from RHV 4.3 and attaching to 4.4 environment.
  • The engine.log have below error.
CanDoAction of action AddStorageServerConnection failed. Reasons:VAR__ACTION__ADD,VAR__TYPE__STORAGE__CONNECTION,ACTION_TYPE_FAILED_STORAGE_CONNECTION_ALREADY_EXISTS

Environment

  • Red Hat Virtualization 4.3
  • Red Hat Virtualization 4.4

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