I have deployed the Services Standard BeforeProvisioning Rule on a SAP Direct source and it is configured to set a few attributes to null on account disable using the UpdateAttribute Action. This works as expected for single valued attributes.
However, when I try and set a multi-valued attribute to null, the update fails to clear the attribute. No error is reported.
Has anyone used the cloud rule on a non-AD Source and managed to clear a multi-valued attribute?
I would try using the Remove Entitlements option since we have to set multivalued attributes up like entitlements. You should be able to do something like: