diff --git a/.vsts-dotnet.yml b/.vsts-dotnet.yml
index 72c45c9b52f..f4e59708348 100644
--- a/.vsts-dotnet.yml
+++ b/.vsts-dotnet.yml
@@ -10,12 +10,28 @@ trigger:
 #   SignType: real
 #   SkipApplyOptimizationData: false
 
+parameters:
+- name: OptProfDropName
+  displayName: Optional OptProfDrop Override
+  type: string
+  default: 'default'
+
 variables:
+  # if OptProfDrop is not set, string '$(OptProfDrop)' will be passed to the build script.
+  - name: OptProfDrop
+    value: ''
   - name: SourceBranch
     value: $(IbcSourceBranchName)
-  - ${{ if startsWith(variables['Build.SourceBranch'], 'refs/heads/exp/') }}:
+  # If we're not on a vs* branch, use main as our optprof collection branch
+  - ${{ if not(startsWith(variables['Build.SourceBranch'], 'refs/heads/vs')) }}:
     - name: SourceBranch
       value: main
+  # if OptProfDropName is set as a parameter, set OptProfDrop to the parameter and unset SourceBranch
+  - ${{ if ne(parameters.OptProfDropName, 'default') }}:
+    - name: OptProfDrop
+      value: ${{parameters.OptProfDropName}}
+    - name: SourceBranch
+      value: ''
   - name: _DotNetArtifactsCategory
     value: .NETCore
   - name: _DotNetValidationArtifactsCategory
@@ -100,7 +116,7 @@ stages:
                 /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
                 /p:TeamName=MSBuild
                 /p:DotNetPublishUsingPipelines=true
-                /p:VisualStudioIbcDrop=$(OptProfDropName)
+                /p:VisualStudioIbcDrop=$(OptProfDrop)
       displayName: Build
       condition: succeeded()