diff --git a/sdk/typescript/scripts/run-windows-ci-tests.mjs b/sdk/typescript/scripts/run-windows-ci-tests.mjs
index 534f9fac4..2f7a7ee4d 100644
--- a/sdk/typescript/scripts/run-windows-ci-tests.mjs
+++ b/sdk/typescript/scripts/run-windows-ci-tests.mjs
@@ -103,7 +103,9 @@ const results = await Promise.all(
               ? ""
               : " --test-name-pattern " + testNamePattern),
         );
-        const args = ["test", "--timeout", "30000"];
+        // Native Windows credential and document checks can exceed 30 seconds.
+        // The workflow still bounds each complete shard to ten minutes.
+        const args = ["test", "--timeout", "120000"];
         if (testNamePattern !== undefined) {
           args.push("--test-name-pattern", testNamePattern);
         }