In uncommon scenarios, when requests for the vpxa service just take very long, such as looking ahead to entry to a slow datastore, the ask for queue on vpxa may possibly exceed the Restrict of file descriptors. Workaround: Reconcile the supply datastore with the FCD by following the actions described https://pleskmigrationtonewserver11110.eqnextwiki.com/4260918/little_known_facts_about_plesk_install_service