1. Log in to OEM, in the configuration-> preferred identity, set the "Node" login attribute, including the username and password, note: This user must be a user on the WIN operating system where the current Node is located, such as Administrator;
2. Control Panel of WIN Operating System -> Administrative Tools -> Local Security Policy -> User Rights Assignment -> As a batch job login, add the user who first identified the node to the first identity.
/ administrator. The reason is: Oracle's Exployment is a batch operation. If the user who has access nodes in the preferred identity does not perform the permissions of the batch, then the EXP operation is not completed, the job will be reported: VNI-2015 Verification failed
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