diff --git a/Cargo.lock b/Cargo.lock
index ed94ab3..09819a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -635,6 +635,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "winreg"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16cdb3898397cf7f624c294948669beafaeebc5577d5ec53d0afb76633593597"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "wsld"
 version = "0.1.0"
@@ -664,4 +673,5 @@ dependencies = [
  "uuid",
  "widestring",
  "winapi",
+ "winreg",
 ]
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 9978b10..6e46afc 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -9,6 +9,7 @@ tokio = { version = "1.7", features = ["net", "rt", "macros", "io-util", "time"]
 async-io = "1"
 once_cell = "1"
 winapi = { version = "0.3", features = ["wincon", "libloaderapi", "combaseapi"] }
+winreg = "0.9"
 widestring = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1"
diff --git a/server/src/vmcompute.rs b/server/src/vmcompute.rs
index 1b3460c..243b29b 100644
--- a/server/src/vmcompute.rs
+++ b/server/src/vmcompute.rs
@@ -3,7 +3,7 @@ use uuid::Uuid;
 
 #[serde(rename_all = "PascalCase")]
 #[derive(Debug, Deserialize)]
-pub struct ComputeSystem {
+struct ComputeSystem {
     pub id: Uuid,
     pub system_type: String,
     pub owner: String,
@@ -12,7 +12,7 @@ pub struct ComputeSystem {
     pub state: String,
 }
 
-pub fn enumerate_compute_systems(query: &str) -> std::io::Result<Vec<ComputeSystem>> {
+fn enumerate_compute_systems(query: &str) -> std::io::Result<Vec<ComputeSystem>> {
     use std::ffi::CString;
     use std::io::{Error, ErrorKind};
     use widestring::WideCString;
@@ -73,7 +73,8 @@ pub fn enumerate_compute_systems(query: &str) -> std::io::Result<Vec<ComputeSyst
     }
 }
 
-pub fn get_wsl_vmid() -> std::io::Result<Option<Uuid>> {
+#[allow(unused)]
+fn get_wsl_vmid_by_hcs() -> std::io::Result<Option<Uuid>> {
     let vms = enumerate_compute_systems("{}")?;
     for vm in vms {
         if vm.owner == "WSL" {
@@ -82,3 +83,26 @@ pub fn get_wsl_vmid() -> std::io::Result<Option<Uuid>> {
     }
     Ok(None)
 }
+
+pub fn get_wsl_vmid_by_reg() -> std::io::Result<Option<Uuid>> {
+    let list = winreg::RegKey::predef(winreg::enums::HKEY_LOCAL_MACHINE)
+        .open_subkey(r"SOFTWARE\Microsoft\Windows NT\CurrentVersion\HostComputeService\VolatileStore\ComputeSystem")?;
+    for k in list.enum_keys() {
+        let k = k?;
+        let subkey = list.open_subkey(&k)?;
+        let ty: u32 = match subkey.get_value("ComputeSystemType") {
+            Ok(v) => v,
+            Err(_) => continue,
+        };
+        if ty == 2 {
+            if let Ok(v) = k.parse() {
+                return Ok(Some(v));
+            }
+        }
+    }
+    Ok(None)
+}
+
+pub fn get_wsl_vmid() -> std::io::Result<Option<Uuid>> {
+    get_wsl_vmid_by_reg()
+}