diff --git a/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp b/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp
index cca65d9..fb02c58 100644
--- a/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp
+++ b/automotive/vehicle/2.0/default/VirtualizationGrpcServer.cpp
@@ -1,6 +1,4 @@
 #include <android-base/logging.h>
-#include <getopt.h>
-#include <unistd.h>
 
 #include "vhal_v2_0/virtualization/GrpcVehicleServer.h"
 #include "vhal_v2_0/virtualization/Utils.h"
@@ -8,42 +6,10 @@
 int main(int argc, char* argv[]) {
     namespace vhal_impl = android::hardware::automotive::vehicle::V2_0::impl;
 
-    vhal_impl::VsockServerInfo serverInfo;
+    auto serverInfo = vhal_impl::VsockServerInfo::fromCommandLine(argc, argv);
+    CHECK(serverInfo.has_value()) << "Invalid server CID/port combination";
 
-    // unique values to identify the options
-    constexpr int OPT_VHAL_SERVER_CID = 1001;
-    constexpr int OPT_VHAL_SERVER_PORT_NUMBER = 1002;
-
-    struct option longOptions[] = {
-            {"server_cid", 1, 0, OPT_VHAL_SERVER_CID},
-            {"server_port", 1, 0, OPT_VHAL_SERVER_PORT_NUMBER},
-            {nullptr, 0, nullptr, 0},
-    };
-
-    int optValue;
-    while ((optValue = getopt_long_only(argc, argv, ":", longOptions, 0)) != -1) {
-        switch (optValue) {
-            case OPT_VHAL_SERVER_CID:
-                serverInfo.serverCid = std::atoi(optarg);
-                LOG(DEBUG) << "Vehicle HAL server CID: " << serverInfo.serverCid;
-                break;
-            case OPT_VHAL_SERVER_PORT_NUMBER:
-                serverInfo.serverPort = std::atoi(optarg);
-                LOG(DEBUG) << "Vehicle HAL server port: " << serverInfo.serverPort;
-                break;
-            default:
-                // ignore other options
-                break;
-        }
-    }
-
-    if (serverInfo.serverCid == 0 || serverInfo.serverPort == 0) {
-        LOG(FATAL) << "Invalid server information, CID: " << serverInfo.serverCid
-                   << "; port: " << serverInfo.serverPort;
-        // Will abort after logging
-    }
-
-    auto server = vhal_impl::makeGrpcVehicleServer(vhal_impl::getVsockUri(serverInfo));
+    auto server = vhal_impl::makeGrpcVehicleServer(serverInfo->toUri());
     server->Start();
     return 0;
 }
diff --git a/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp b/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp
index 1de81ae..68813c9 100644
--- a/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp
+++ b/automotive/vehicle/2.0/default/VirtualizedVehicleService.cpp
@@ -15,7 +15,6 @@
  */
 
 #include <android-base/logging.h>
-#include <cutils/properties.h>
 #include <hidl/HidlTransportSupport.h>
 
 #include <vhal_v2_0/EmulatedVehicleConnector.h>
@@ -29,30 +28,13 @@
 using namespace android::hardware::automotive::vehicle::V2_0;
 
 int main(int argc, char* argv[]) {
-    constexpr const char* VHAL_SERVER_CID_PROPERTY_KEY = "ro.vendor.vehiclehal.server.cid";
-    constexpr const char* VHAL_SERVER_PORT_PROPERTY_KEY = "ro.vendor.vehiclehal.server.port";
+    namespace vhal_impl = android::hardware::automotive::vehicle::V2_0::impl;
 
-    auto property_get_uint = [](const char* key, unsigned int default_value) {
-        auto value = property_get_int64(key, default_value);
-        if (value < 0 || value > UINT_MAX) {
-            LOG(DEBUG) << key << ": " << value << " is out of bound, using default value '"
-                       << default_value << "' instead";
-            return default_value;
-        }
-        return static_cast<unsigned int>(value);
-    };
-
-    impl::VsockServerInfo serverInfo{property_get_uint(VHAL_SERVER_CID_PROPERTY_KEY, 0),
-                                     property_get_uint(VHAL_SERVER_PORT_PROPERTY_KEY, 0)};
-
-    if (serverInfo.serverCid == 0 || serverInfo.serverPort == 0) {
-        LOG(FATAL) << "Invalid server information, CID: " << serverInfo.serverCid
-                   << "; port: " << serverInfo.serverPort;
-        // Will abort after logging
-    }
+    auto serverInfo = vhal_impl::VsockServerInfo::fromRoPropertyStore();
+    CHECK(serverInfo.has_value()) << "Invalid server CID/port combination";
 
     auto store = std::make_unique<VehiclePropertyStore>();
-    auto connector = impl::makeGrpcVehicleClient(impl::getVsockUri(serverInfo));
+    auto connector = impl::makeGrpcVehicleClient(serverInfo->toUri());
     auto hal = std::make_unique<impl::EmulatedVehicleHal>(store.get(), connector.get());
     auto emulator = std::make_unique<impl::VehicleEmulator>(hal.get());
     auto service = std::make_unique<VehicleHalManager>(hal.get());
diff --git a/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc
index 29147ad..1101b08 100644
--- a/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc
+++ b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server.rc
@@ -3,8 +3,8 @@
 # so the command line arguments are expected, though not conventionally used in Android
 service vendor.vehicle-hal-2.0-server \
         /vendor/bin/hw/android.hardware.automotive.vehicle@2.0-virtualization-grpc-server \
-        -server_cid ${ro.vendor.vehiclehal.server.cid:-0} \
-        -server_port ${ro.vendor.vehiclehal.server.port:-0}
+        -server_cid ${ro.vendor.vehiclehal.server.cid:-pleaseconfigurethis} \
+        -server_port ${ro.vendor.vehiclehal.server.port:-pleaseconfigurethis}
     class hal
     user vehicle_network
     group system inet
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp
index 41d4827..184d8a4 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.cpp
@@ -16,6 +16,11 @@
 
 #include "Utils.h"
 
+#include <cutils/properties.h>
+
+#include <getopt.h>
+#include <stdlib.h>
+#include <unistd.h>
 #include <sstream>
 
 namespace android {
@@ -25,12 +30,83 @@
 namespace V2_0 {
 namespace impl {
 
-std::string getVsockUri(const VsockServerInfo& serverInfo) {
+std::string VsockServerInfo::toUri() {
     std::stringstream uri_stream;
-    uri_stream << "vsock:" << serverInfo.serverCid << ":" << serverInfo.serverPort;
+    uri_stream << "vsock:" << serverCid << ":" << serverPort;
     return uri_stream.str();
 }
 
+static std::optional<unsigned> parseUnsignedIntFromString(const char* optarg, const char* name) {
+    auto v = strtoul(optarg, nullptr, 0);
+    if (((v == ULONG_MAX) && (errno == ERANGE)) || (v > UINT_MAX)) {
+        LOG(WARNING) << name << " value is out of range: " << optarg;
+    } else if (v != 0) {
+        return v;
+    } else {
+        LOG(WARNING) << name << " value is invalid or missing: " << optarg;
+    }
+
+    return std::nullopt;
+}
+
+static std::optional<unsigned> getNumberFromProperty(const char* key) {
+    auto value = property_get_int64(key, -1);
+    if ((value <= 0) || (value > UINT_MAX)) {
+        LOG(WARNING) << key << " is missing or out of bounds";
+        return std::nullopt;
+    }
+
+    return static_cast<unsigned int>(value);
+};
+
+std::optional<VsockServerInfo> VsockServerInfo::fromCommandLine(int argc, char* argv[]) {
+    std::optional<unsigned int> cid;
+    std::optional<unsigned int> port;
+
+    // unique values to identify the options
+    constexpr int OPT_VHAL_SERVER_CID = 1001;
+    constexpr int OPT_VHAL_SERVER_PORT_NUMBER = 1002;
+
+    struct option longOptions[] = {
+            {"server_cid", 1, 0, OPT_VHAL_SERVER_CID},
+            {"server_port", 1, 0, OPT_VHAL_SERVER_PORT_NUMBER},
+            {},
+    };
+
+    int optValue;
+    while ((optValue = getopt_long_only(argc, argv, ":", longOptions, 0)) != -1) {
+        switch (optValue) {
+            case OPT_VHAL_SERVER_CID:
+                cid = parseUnsignedIntFromString(optarg, "cid");
+                break;
+            case OPT_VHAL_SERVER_PORT_NUMBER:
+                port = parseUnsignedIntFromString(optarg, "port");
+                break;
+            default:
+                // ignore other options
+                break;
+        }
+    }
+
+    if (cid && port) {
+        return VsockServerInfo{*cid, *port};
+    }
+    return std::nullopt;
+}
+
+std::optional<VsockServerInfo> VsockServerInfo::fromRoPropertyStore() {
+    constexpr const char* VHAL_SERVER_CID_PROPERTY_KEY = "ro.vendor.vehiclehal.server.cid";
+    constexpr const char* VHAL_SERVER_PORT_PROPERTY_KEY = "ro.vendor.vehiclehal.server.port";
+
+    const auto cid = getNumberFromProperty(VHAL_SERVER_CID_PROPERTY_KEY);
+    const auto port = getNumberFromProperty(VHAL_SERVER_PORT_PROPERTY_KEY);
+
+    if (cid && port) {
+        return VsockServerInfo{*cid, *port};
+    }
+    return std::nullopt;
+}
+
 }  // namespace impl
 }  // namespace V2_0
 }  // namespace vehicle
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h
index 6b1049c..8a8bce7 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/virtualization/Utils.h
@@ -17,8 +17,11 @@
 #ifndef android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
 #define android_hardware_automotive_vehicle_V2_0_impl_virtualization_Utils_H_
 
+#include <optional>
 #include <string>
 
+#include <android-base/logging.h>
+
 namespace android {
 namespace hardware {
 namespace automotive {
@@ -29,9 +32,12 @@
 struct VsockServerInfo {
     unsigned int serverCid{0};
     unsigned int serverPort{0};
-};
 
-std::string getVsockUri(const VsockServerInfo& serverInfo);
+    static std::optional<VsockServerInfo> fromCommandLine(int argc, char* argv[]);
+    static std::optional<VsockServerInfo> fromRoPropertyStore();
+
+    std::string toUri();
+};
 
 }  // namespace impl
 }  // namespace V2_0