diff --git a/dlls/rpcrt4/tests/rpc.c b/dlls/rpcrt4/tests/rpc.c
index bcd6a65..9f2684e 100644
--- a/dlls/rpcrt4/tests/rpc.c
+++ b/dlls/rpcrt4/tests/rpc.c
@@ -328,7 +328,9 @@ static void test_towers(void)
     BOOL same;
 
     ret = TowerConstruct(&mapi_if_id, &ndr_syntax, "ncacn_ip_tcp", "135", "10.0.0.1", &tower);
-    ok(ret == RPC_S_OK, "TowerConstruct failed with error %ld\n", ret);
+    ok(ret == RPC_S_OK ||
+       broken(ret == RPC_S_INVALID_RPC_PROTSEQ), /* Vista */
+       "TowerConstruct failed with error %ld\n", ret);
     if (ret == RPC_S_INVALID_RPC_PROTSEQ)
     {
         /* Windows Vista fails with this error and crashes if we continue */
diff --git a/dlls/schannel/tests/main.c b/dlls/schannel/tests/main.c
index 814b60a..5575cc1 100644
--- a/dlls/schannel/tests/main.c
+++ b/dlls/schannel/tests/main.c
@@ -148,7 +148,9 @@ static void testGetInfo(void)
        PackageInfo.fCapabilities);
     ok(PackageInfo.wVersion == 1, "wVersion: %d\n", PackageInfo.wVersion);
     ok(PackageInfo.wRPCID == 14, "wRPCID: %d\n", PackageInfo.wRPCID);
-    ok(PackageInfo.cbMaxToken == 0x4000, "cbMaxToken: 0x%lx\n",
+    ok(PackageInfo.cbMaxToken == 0x4000 ||
+       PackageInfo.cbMaxToken == 0x6000, /* Vista */
+       "cbMaxToken: 0x%lx\n",
        PackageInfo.cbMaxToken);
 
     /* Second package: SChannel */
-- 
1.5.4.3