diff --git a/plugins/module_utils/prism/spec/vms.py b/plugins/module_utils/prism/spec/vms.py
index 11f66384..74f90c14 100644
--- a/plugins/module_utils/prism/spec/vms.py
+++ b/plugins/module_utils/prism/spec/vms.py
@@ -58,7 +58,7 @@ class DefaultVMSpec:
         ),
         vcpus=dict(type="int"),
         cores_per_vcpu=dict(type="int"),
-        memory_gb=dict(type="int"),
+        memory_gb=dict(type="float"),
         networks=dict(type="list", elements="dict", options=network_spec),
         boot_config=dict(type="dict", options=boot_config_spec),
         guest_customization=dict(type="dict", options=gc_spec),
diff --git a/plugins/module_utils/prism/subnets.py b/plugins/module_utils/prism/subnets.py
index 1eee1e03..0bc7f99e 100644
--- a/plugins/module_utils/prism/subnets.py
+++ b/plugins/module_utils/prism/subnets.py
@@ -45,6 +45,7 @@ def _build_spec_vlan_subnet(self, payload, config):
         payload["spec"]["resources"]["subnet_type"] = "VLAN"
         payload["spec"]["resources"]["vlan_id"] = config["vlan_id"]
         payload["spec"]["resources"]["is_external"] = False
+        payload["spec"]["resources"]["advanced_networking"] = False
 
         cluster_uuid, error = get_cluster_uuid(config["cluster"], self.module)
         if error:
diff --git a/plugins/module_utils/prism/vms.py b/plugins/module_utils/prism/vms.py
index b4522add..ea845c6b 100644
--- a/plugins/module_utils/prism/vms.py
+++ b/plugins/module_utils/prism/vms.py
@@ -264,7 +264,7 @@ def _build_spec_cores(self, payload, cores):
         return payload, None
 
     def _build_spec_mem(self, payload, mem_gb):
-        mem_mib = mem_gb * 1024
+        mem_mib = int(mem_gb * 1024)
         current_mem_mib = payload["spec"]["resources"].get("memory_size_mib", 0)
         self._check_and_set_require_vm_restart(current_mem_mib, mem_mib)
         payload["spec"]["resources"]["memory_size_mib"] = mem_mib
@@ -452,7 +452,8 @@ def _generate_disk_spec(
         if vdisk.get("empty_cdrom", None):
             disk.pop("data_source_reference", None)
             disk.pop("storage_config", None)
-
+            disk.pop("disk_size_bytes", None)
+            disk.pop("disk_size_mib", None)
         else:
             if vdisk.get("size_gb"):
                 disk_size_bytes = int(vdisk["size_gb"]) * 1024 * 1024 * 1024