Identify user accounts that use SHA-2 hash function
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If you are reverting from ONTAP 9.1 or ONTAP 9.0 to ONTAP 8.3.x, SHA-2 account users can no longer be authenticated with their passwords. Before you revert, you should identify the user accounts that use the SHA-2 hash function, so that after reverting, you can have them reset their passwords to use the encryption type (MD5) that is supported by the release you revert to.
Change to the privilege setting to advanced:
set -privilege advanced
Identify the user accounts that use the SHA-2 has function:
security login show -vserver * -username * -application * -authentication-method password -hash-function !md5
Retain the command output for use after the revert.
During the revert, you will be prompted to run the advanced command