His call comes after Nauru, Kiribati, Marshall Islands, Palau and the Federated States of Micronesia decided to initiate the formal process of withdrawing from the Forum.
The leaders of these countries said that by overlooking Micronesia's candidate in the appointment of a new Forum secretary general, South Pacific countries dishonoured a "gentleman's agreement" to rotate the post evenly among sub-regions.
Regenvanu, an experienced leader in the Foreign Affairs portfolio, said he understood Micronesia's frustration.
