diff --git a/ext/snmp/tests/bug64124.phpt b/ext/snmp/tests/bug64124.phpt
index 5e2c43dc6ada..4fbf80f0400a 100644
--- a/ext/snmp/tests/bug64124.phpt
+++ b/ext/snmp/tests/bug64124.phpt
@@ -13,8 +13,6 @@ if (@inet_ntop($packed) === false) {
     die("skip no IPv6 support");
 }
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/bug64159.phpt b/ext/snmp/tests/bug64159.phpt
index 1df12b708875..622cb1ce019d 100644
--- a/ext/snmp/tests/bug64159.phpt
+++ b/ext/snmp/tests/bug64159.phpt
@@ -10,8 +10,6 @@ require_once(__DIR__.'/skipif.inc');
 ?>
 --ENV--
 MIBS=noneXistent
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/generic_timeout_error.phpt b/ext/snmp/tests/generic_timeout_error.phpt
index db0b4c52b89f..6cad7e9901cb 100644
--- a/ext/snmp/tests/generic_timeout_error.phpt
+++ b/ext/snmp/tests/generic_timeout_error.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/ipv6.phpt b/ext/snmp/tests/ipv6.phpt
index e88c7bdb8afe..93274fd7054f 100644
--- a/ext/snmp/tests/ipv6.phpt
+++ b/ext/snmp/tests/ipv6.phpt
@@ -13,8 +13,6 @@ if (@inet_ntop($packed) === false) {
     die("skip no IPv6 support");
 }
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp-object-errno-errstr.phpt b/ext/snmp/tests/snmp-object-errno-errstr.phpt
index ae279cd4e652..d6757111b020 100644
--- a/ext/snmp/tests/snmp-object-errno-errstr.phpt
+++ b/ext/snmp/tests/snmp-object-errno-errstr.phpt
@@ -9,8 +9,6 @@ snmp
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp-object.phpt b/ext/snmp/tests/snmp-object.phpt
index 1a9ce63fc6c2..13461675cc80 100644
--- a/ext/snmp/tests/snmp-object.phpt
+++ b/ext/snmp/tests/snmp-object.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp2_get.phpt b/ext/snmp/tests/snmp2_get.phpt
index 1721493408aa..e2cd1ef1b459 100644
--- a/ext/snmp/tests/snmp2_get.phpt
+++ b/ext/snmp/tests/snmp2_get.phpt
@@ -9,8 +9,6 @@ snmp
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp2_getnext.phpt b/ext/snmp/tests/snmp2_getnext.phpt
index ea73c52f77b4..c428783b79f7 100644
--- a/ext/snmp/tests/snmp2_getnext.phpt
+++ b/ext/snmp/tests/snmp2_getnext.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp2_real_walk.phpt b/ext/snmp/tests/snmp2_real_walk.phpt
index 32c72ea3f924..91c337f6d67a 100644
--- a/ext/snmp/tests/snmp2_real_walk.phpt
+++ b/ext/snmp/tests/snmp2_real_walk.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp2_set-nomib.phpt b/ext/snmp/tests/snmp2_set-nomib.phpt
index 171c2f2a50ef..4fbcc2098f73 100644
--- a/ext/snmp/tests/snmp2_set-nomib.phpt
+++ b/ext/snmp/tests/snmp2_set-nomib.phpt
@@ -11,8 +11,6 @@ if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
 --ENV--
 MIBS=
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp2_set.phpt b/ext/snmp/tests/snmp2_set.phpt
index 5782ac3b86bf..da94fe21f498 100644
--- a/ext/snmp/tests/snmp2_set.phpt
+++ b/ext/snmp/tests/snmp2_set.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp2_walk.phpt b/ext/snmp/tests/snmp2_walk.phpt
index 362db1fa3cbd..fcf14424ca05 100644
--- a/ext/snmp/tests/snmp2_walk.phpt
+++ b/ext/snmp/tests/snmp2_walk.phpt
@@ -9,8 +9,6 @@ snmp
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp3-error.phpt b/ext/snmp/tests/snmp3-error.phpt
index 6463af87a3b9..27cba5b48416 100644
--- a/ext/snmp/tests/snmp3-error.phpt
+++ b/ext/snmp/tests/snmp3-error.phpt
@@ -9,8 +9,6 @@ snmp
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp3.phpt b/ext/snmp/tests/snmp3.phpt
index c689865bf052..1d12a84f4647 100644
--- a/ext/snmp/tests/snmp3.phpt
+++ b/ext/snmp/tests/snmp3.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmp_getvalue.phpt b/ext/snmp/tests/snmp_getvalue.phpt
index 2c3bac572325..45877cc3f06a 100644
--- a/ext/snmp/tests/snmp_getvalue.phpt
+++ b/ext/snmp/tests/snmp_getvalue.phpt
@@ -6,11 +6,10 @@ Boris Lytochkin
 snmp
 --SKIPIF--
 <?php
+if (PHP_OS_FAMILY === "Windows") die("xfail fails on Windows for unknown reasons");
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmpget.phpt b/ext/snmp/tests/snmpget.phpt
index 9e0d38541597..ea7924ed8e57 100644
--- a/ext/snmp/tests/snmpget.phpt
+++ b/ext/snmp/tests/snmpget.phpt
@@ -9,8 +9,6 @@ snmp
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmpgetnext.phpt b/ext/snmp/tests/snmpgetnext.phpt
index a02dfcc7b55c..995a4cc987f5 100644
--- a/ext/snmp/tests/snmpgetnext.phpt
+++ b/ext/snmp/tests/snmpgetnext.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmprealwalk.phpt b/ext/snmp/tests/snmprealwalk.phpt
index 0ccaf3635c41..66f458dadffa 100644
--- a/ext/snmp/tests/snmprealwalk.phpt
+++ b/ext/snmp/tests/snmprealwalk.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmpset-nomib.phpt b/ext/snmp/tests/snmpset-nomib.phpt
index 9a2c64a9aa0c..e5b5bfb9f85a 100644
--- a/ext/snmp/tests/snmpset-nomib.phpt
+++ b/ext/snmp/tests/snmpset-nomib.phpt
@@ -11,8 +11,6 @@ if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
 --ENV--
 MIBS=
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmpset.phpt b/ext/snmp/tests/snmpset.phpt
index 02f3ca6693a2..a4f89e78da93 100644
--- a/ext/snmp/tests/snmpset.phpt
+++ b/ext/snmp/tests/snmpset.phpt
@@ -8,8 +8,6 @@ snmp
 <?php
 require_once(__DIR__.'/skipif.inc');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/ext/snmp/tests/snmpwalk.phpt b/ext/snmp/tests/snmpwalk.phpt
index bc1e4c37385d..61ef33a70a29 100644
--- a/ext/snmp/tests/snmpwalk.phpt
+++ b/ext/snmp/tests/snmpwalk.phpt
@@ -9,8 +9,6 @@ snmp
 require_once(__DIR__.'/skipif.inc');
 if (getenv('SKIP_ASAN')) die('skip Timeouts under ASAN');
 ?>
---XFAIL--
-SNMP tests might possibly fail on Windows
 --FILE--
 <?php
 require_once(__DIR__.'/snmp_include.inc');
diff --git a/run-tests.php b/run-tests.php
index ce6bd94db1e0..e84da722d1d6 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -3124,6 +3124,7 @@ function is_flaky_output(string $output): bool
         'connection refused',
         'deadlock',
         'mailbox already exists',
+        'no response from',
         'timed out',
     ];
     $regex = '(\b(' . implode('|', $messages) . ')\b)i';