All ini options are working for singleplayer but currently only the DisablePickupStorage and DisablePickupCrafters is working for servers. I am working on resolving this issue an hope to have a fix soon.

Default GameUserSettings.ini

[EStorage]
DisablePickupStorage=false
DisablePickupCrafters=false
ESSmallStorageSlots=50
ESSmallStorageV2Slots=50
ESBarrelSlots=50
ESSundriesChestSlots=50
ESReliquarySlots=50
ESTrunkSlots=100
ESFridgeSlots=100
ESCryoliteSlots=150
ESDarkWoodSlots=150
ESFlashRockSlots=150
ESLargeStorageSlots=150
ESMagicAcademySlots=150
ESMediterraneanSlots=150
ESSeaCrystalSlots=150
ESVolcanicRockSlots=150
ESWesternSlots=150
ESVaultSlots=500
EStorageCrafterPull=1500
ESAlchemyStovePull=1500
ESCruciblePull=1500
ESDecorationHousePull=1500
ESDyeWorkbenchPull=1500
ESFabricatorPull=1500
ESHutDIYPull=1500
ESIndustrialGrinderPull=1500
ESIndustrialSmelterPull=1500
ESInscriptionBookPull=1500
ESMagicWorkbenchPull=1500
ESMechanicalArmFabricatorPull=1500
ESMortarAndPestlePull=1500
ESSmelterPull=1500
ESTailorsWorkbenchPull=1500
ESWorkbenchPull=1500

INI Option Information

All options go under [EStorage] at the bottom of your GameUserSettings.ini

Pickup:
DisablePickupStorage=true to disable picking up all storage containers.
DisablePickupCrafters=true to disable picking up all crafters.

Inventory Slots:
For whichever container you want to change, put the number after "Slots="
*Max inventory slots is 1000

Inventory Pull Range:
For whichever crafter you want to change, put the number after "Pull="