Download Recovery Manager for AD Forest Edition 8.6.3 Hotfix for solution 153418 (An unknown error occurred. There is no such object on the server.)
Please refer to the Support Portal knowledgebase article 153418 for additional information and instructions on implementing the patch.
What’s new in this version
This can occur when the remote DC's attribute values for fsmoRoleHolder are invalid, for example, pointing to a deleted domain controller.