diff --git a/eng/common/pipelines/templates/steps/sparse-checkout.yml b/eng/common/pipelines/templates/steps/sparse-checkout.yml
index d3992a85e..d7f1bc0d1 100644
--- a/eng/common/pipelines/templates/steps/sparse-checkout.yml
+++ b/eng/common/pipelines/templates/steps/sparse-checkout.yml
@@ -14,6 +14,9 @@ parameters:
   - name: TokenToUseForAuth
     type: string
     default: ''
+  - name: PreserveAuthToken
+    type: boolean
+    default: false
 
 steps:
   - ${{ if not(parameters.SkipCheckoutNone) }}:
@@ -137,7 +140,7 @@ steps:
       pwsh: true
       workingDirectory: $(System.DefaultWorkingDirectory)
 
-  - ${{ if ne(parameters.TokenToUseForAuth, '') }}:
+  - ${{ if and(ne(parameters.TokenToUseForAuth, ''), not(parameters.PreserveAuthToken)) }}:
     - pwsh: |
         git config unset --global "http.extraheader"
       displayName: Removing git config auth header