No, deleting an export rule does not affect existing users who are using the same export policy. Export policy A has export rule A and export rule B. Deleting export rule A not affect NAS functions su...No, deleting an export rule does not affect existing users who are using the same export policy. Export policy A has export rule A and export rule B. Deleting export rule A not affect NAS functions such as disconnections or I/O errors for client B that uses the same export policy A. There are no special preparatory works or limitations for deleting export policy rules. The lack of impact from deleting export rules is not dependent on the type of client OS using the export policy.