diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
index bc9dc914f3..0ab640beca 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
@@ -814,7 +814,7 @@ PxeBcCreateIp4Children (
     }
 
     //
-    // Open SNP on the child handle BY_DRIVER. It will prevent any additionally
+    // Open SNP on the child handle BY_DRIVER|EXCLUSIVE. It will prevent any additionally
     // layering to perform the experiment.
     //
     Status = gBS->OpenProtocol (
@@ -823,7 +823,7 @@ PxeBcCreateIp4Children (
                     (VOID **) &Snp,
                     This->DriverBindingHandle,
                     Private->Ip4Nic->Controller,
-                    EFI_OPEN_PROTOCOL_BY_DRIVER
+                    EFI_OPEN_PROTOCOL_BY_DRIVER|EFI_OPEN_PROTOCOL_EXCLUSIVE
                     );
     if (EFI_ERROR (Status)) {
       goto ON_ERROR;
@@ -1157,7 +1157,7 @@ PxeBcCreateIp6Children (
     }
 
     //
-    // Open SNP on the child handle BY_DRIVER. It will prevent any additionally
+    // Open SNP on the child handle BY_DRIVER|EXCLUSIVE. It will prevent any additionally
     // layering to perform the experiment.
     //
     Status = gBS->OpenProtocol (
@@ -1166,7 +1166,7 @@ PxeBcCreateIp6Children (
                     (VOID **) &Snp,
                     This->DriverBindingHandle,
                     Private->Ip6Nic->Controller,
-                    EFI_OPEN_PROTOCOL_BY_DRIVER
+                    EFI_OPEN_PROTOCOL_BY_DRIVER|EFI_OPEN_PROTOCOL_EXCLUSIVE
                     );
     if (EFI_ERROR (Status)) {
       goto ON_ERROR;