diff --git a/tools/ReleaseEngineering/ServicingPipeline.ps1 b/tools/ReleaseEngineering/ServicingPipeline.ps1
index 2adf3843a0..b9d2ba4c86 100644
--- a/tools/ReleaseEngineering/ServicingPipeline.ps1
+++ b/tools/ReleaseEngineering/ServicingPipeline.ps1
@@ -89,6 +89,20 @@ $Cards = Get-GithubProjectCard -ColumnId $ToPickColumn.id
 
 & git fetch --all 2>&1 | Out-Null
 
+$Branch = & git rev-parse --abbrev-ref HEAD
+$RemoteForCurrentBranch = & git config "branch.$Branch.remote"
+$CommitsBehind = [int](& git rev-list --count "$RemoteForCurrentBranch/$Branch" "^$Branch")
+
+If ($LASTEXITCODE -Ne 0) {
+    Write-Error "Failed to determine branch divergence"
+    Exit 1
+}
+
+If ($CommitsBehind -Gt 0) {
+    Write-Error "Local branch $Branch is out of date with $RemoteForCurrentBranch; consider git pull"
+    Exit 1
+}
+
 $Entries = @(& git log $SourceBranch --first-parent --grep "(#\($($Cards.Number -Join "\|")\))" "--pretty=format:%H%x1C%s"  |
     ConvertFrom-CSV -Delimiter "`u{001C}" -Header CommitID,Subject)