diff --git a/misc/config_tools/library/common.py b/misc/config_tools/library/common.py
index 2f17201ab..fc00d71b0 100644
--- a/misc/config_tools/library/common.py
+++ b/misc/config_tools/library/common.py
@@ -17,6 +17,7 @@ ACRN_CONFIG_TARGET = ''
 SOURCE_ROOT_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), '../../../')
 HV_LICENSE_FILE = SOURCE_ROOT_DIR + 'misc/config_tools/library/hypervisor_license'
 SCENARIO_SCHEMA_FILE = SOURCE_ROOT_DIR + 'misc/config_tools/schema/config.xsd'
+DATACHECK_SCHEMA_FILE = SOURCE_ROOT_DIR + 'misc/config_tools/schema/datachecks.xsd'
 
 
 PY_CACHES = ["__pycache__", "../board_config/__pycache__", "../scenario_config/__pycache__"]
diff --git a/misc/config_tools/scenario_config/scenario_cfg_gen.py b/misc/config_tools/scenario_config/scenario_cfg_gen.py
index 937cbc7ac..875d34979 100755
--- a/misc/config_tools/scenario_config/scenario_cfg_gen.py
+++ b/misc/config_tools/scenario_config/scenario_cfg_gen.py
@@ -24,6 +24,11 @@ import board_defconfig
 from hv_item import HvInfo
 import asl_gen
 
+try:
+    import xmlschema
+except ImportError:
+    pass
+
 ACRN_PATH = common.SOURCE_ROOT_DIR
 ACRN_CONFIG_DEF = ACRN_PATH + 'misc/config_tools/data/'
 GEN_FILE = ["vm_configurations.h", "vm_configurations.c", "pci_dev.c", ".config", "ivshmem_cfg.h", "pt_intx.c"]
@@ -97,10 +102,6 @@ def validate_scenario_schema(scenario_info):
     :param xsd_doc: scenario schema
     :param scenario_info: scenario file
     """
-    try:
-        import xmlschema
-    except ImportError:
-        return
 
     """
     XMLSchema does not process XInclude.
@@ -129,13 +130,36 @@ def validate_scenario_schema(scenario_info):
             reason = validation_error.reason + ": last call: " + str(validation_error.obj)
             scenario_cfg_lib.ERR_LIST[key] = element + reason
 
+def apply_data_checks(board_info, scenario_info):
+    xsd_doc = etree.parse(common.DATACHECK_SCHEMA_FILE)
+    xsd_doc.xinclude()
+    datachecks_schema = xmlschema.XMLSchema11(etree.tostring(xsd_doc, encoding="unicode"))
 
+    main_etree = etree.parse(board_info)
+    scenario_etree = etree.parse(scenario_info)
+    main_etree.getroot().extend(scenario_etree.getroot()[:])
+    # FIXME: Figure out proper error keys for data check failures
+    error_key = ""
+
+    it = datachecks_schema.iter_errors(main_etree)
+    for idx, error in enumerate(it, start=1):
+        anno = error.validator.annotation
+        description = anno.documentation[0].text
+        severity = anno.elem.get("{https://projectacrn.org}severity")
+
+        if severity == "error":
+            if error_key in scenario_cfg_lib.ERR_LIST.keys():
+                scenario_cfg_lib.ERR_LIST[error_key].append("\n" + description)
+            else:
+                scenario_cfg_lib.ERR_LIST[error_key] = description
 
 def validate_scenario_setting(board_info, scenario_info):
     hv_cfg_lib.ERR_LIST = {}
     scenario_cfg_lib.ERR_LIST = {}
 
-    validate_scenario_schema(scenario_info)
+    if "xmlschema" in sys.modules.keys():
+        validate_scenario_schema(scenario_info)
+        apply_data_checks(board_info, scenario_info)
 
     """
     Validate settings in scenario xml
diff --git a/misc/config_tools/schema/checks/pre_launched_vm_support.xsd b/misc/config_tools/schema/checks/pre_launched_vm_support.xsd
new file mode 100644
index 000000000..c7c7b7bdb
--- /dev/null
+++ b/misc/config_tools/schema/checks/pre_launched_vm_support.xsd
@@ -0,0 +1,39 @@
+<?xml version="1.0"?>
+<xs:schema xml:id="root"
+	   xmlns:xs="http://www.w3.org/2001/XMLSchema"
+	   xmlns:acrn="https://projectacrn.org">
+
+  <xs:assert test="every $cpu in vm/cpu_affinity/pcpu_id satisfies count(processors//thread[cpu_id = $cpu]) = 1">
+    <xs:annotation acrn:severity="warning">
+      <xs:documentation>The physical CPUs allocated to VMs shall exist on the target board.
+
+This assertion checks that the physical CPUs that are explicitly allocated to VMs do exist on the target board. Failures
+in meeting this assertion may cause the following.
+
+- The hypervisor may access wrong per CPU regions, leading to random memory corruption.
+- A VM may failed wake (by sending INIT-SIPI-SIPI IPIs) all the vCPUs allocated to it.
+
+To fix this error, you can
+
+- In the board XML, check whether all physical CPUs are encoded under the processors/ node. When generating the board
+  XML on the target board, make sure the native OS has not make any CPU offline.
+- In the scenario XML, check whether the allocated CPUs are specified using consecutive integers starting from 0, not
+  their APIC IDs or x2APIC IDs.</xs:documentation>
+    </xs:annotation>
+  </xs:assert>
+
+  <xs:assert test="every $vm in vm satisfies
+		   every $cpu in $vm/cpu_affinity/pcpu_id satisfies
+		   processors//thread[cpu_id = $cpu]/core_type = processors//thread[cpu_id = $vm/cpu_affinity/pcpu_id[1]]/core_type">
+    <xs:annotation acrn:severity="warning">
+      <xs:documentation>The physical CPUs allocated to the same VM shall have the same core types.
+
+On platforms having both big and little cores, the current design of ACRN only allows allocating the same type of cores
+to a pre-launched VM.
+
+To fix this error, double check the allocation of physical CPUs to each pre-launched VM and ensure that only big cores
+or little cores are assigned, but not both.</xs:documentation>
+    </xs:annotation>
+  </xs:assert>
+
+</xs:schema>
diff --git a/misc/config_tools/schema/datachecks.xsd b/misc/config_tools/schema/datachecks.xsd
new file mode 100644
index 000000000..cf093191d
--- /dev/null
+++ b/misc/config_tools/schema/datachecks.xsd
@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<xs:schema
+    xmlns:xi="http://www.w3.org/2003/XInclude"
+    xmlns:xs="http://www.w3.org/2001/XMLSchema">
+
+  <xs:element name="acrn-config">
+    <xs:complexType>
+      <xs:sequence>
+	<xs:any processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
+      </xs:sequence>
+      <xs:anyAttribute processContents="skip"/>
+
+      <xi:include href="checks/pre_launched_vm_support.xsd" xpointer="xpointer(id('root')/*)" />
+
+    </xs:complexType>
+  </xs:element>
+
+</xs:schema>