diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index eb521ba7891..237a26138aa 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -96,6 +96,7 @@ stages:
   - job:
     pool: sonictest
     displayName: "vstest"
+    condition: false # agent pool don't work. disable this job to unblock PRs.
     timeoutInMinutes: 60
     steps:
     - template: .azure-pipelines/cleanup.yml