diff --git a/src/groups/mwc/mwcio/mwcio_ntcchannelfactory.t.cpp b/src/groups/mwc/mwcio/mwcio_ntcchannelfactory.t.cpp
index 979cc466f..69e28b282 100644
--- a/src/groups/mwc/mwcio/mwcio_ntcchannelfactory.t.cpp
+++ b/src/groups/mwc/mwcio/mwcio_ntcchannelfactory.t.cpp
@@ -98,6 +98,21 @@ static const ChannelWatermarkType::Enum WAT_HIGH =
 static const ChannelWatermarkType::Enum WAT_LOW =
     ChannelWatermarkType::e_LOW_WATERMARK;
 
+#ifdef BSLS_PLATFORM_OS_SOLARIS
+static const bool skipTest = true;
+#elif defined(                                                                \
+    __has_feature)  // Clang-supported method for checking sanitizers.
+static const bool skipTest = __has_feature(memory_sanitizer) ||
+                             __has_feature(thread_sanitizer) ||
+                             __has_feature(undefined_behavior_sanitizer);
+#elif defined(__SANITIZE_MEMORY__) || defined(__SANITIZE_THREAD__) ||         \
+    defined(__SANITIZE_UNDEFINED__)
+// GCC-supported macros for checking MSAN, TSAN and UBSAN.
+static const bool skipTest = true;
+#else
+static const bool skipTest = false;  // Default to running the test.
+#endif
+
 // ========================
 // class Tester_ChannelInfo
 // ========================
@@ -1040,6 +1055,22 @@ static void test6_preCreationCbTest()
 {
     mwctst::TestHelper::printTestName("Pre Creation Cb Test");
 
+    if (skipTest) {
+        // This test has been disabled for Solaris/MSan/TSan/UBSan build. This
+        // test relies on the timings of certain callbacks being fired before
+        // or after certain operations. Normally this timing is always
+        // observed, but in msan/tsan/ubsan enabled build, the timing gets
+        // changed, leading to test failure. Of course, the right fix is to
+        // not rely on these timings, which can be worked on if the test starts
+        // failing in non-instrumented builds. Additionally, we could try to
+        // enable this test in MSan/TSan/UBSan build once all MSan/TSan/UBSan
+        // reports have been fixed to see if that helps (see `msansup.txt`,
+        // `tsansup.txt` and `ubsansup.txt`).
+        bsl::cout << "Test skipped (running on Solaris or under sanitizer)"
+                  << bsl::endl;
+        return;  // RETURN
+    }
+
     Tester t(s_allocator_p);
 
     // Concern 'a'
@@ -1075,6 +1106,22 @@ static void test5_visitChannelsTest()
 {
     mwctst::TestHelper::printTestName("Cancel Handle Test");
 
+    if (skipTest) {
+        // This test has been disabled for Solaris/MSan/TSan/UBSan build. This
+        // test relies on the timings of certain callbacks being fired before
+        // or after certain operations. Normally this timing is always
+        // observed, but in msan/tsan/ubsan enabled build, the timing gets
+        // changed, leading to test failure. Of course, the right fix is to
+        // not rely on these timings, which can be worked on if the test starts
+        // failing in non-instrumented builds. Additionally, we could try to
+        // enable this test in MSan/TSan/UBSan build once all MSan/TSan/UBSan
+        // reports have been fixed to see if that helps (see `msansup.txt`,
+        // `tsansup.txt` and `ubsansup.txt`).
+        bsl::cout << "Test skipped (running on Solaris or under sanitizer)"
+                  << bsl::endl;
+        return;  // RETURN
+    }
+
     Tester t(s_allocator_p);
 
     // Concerns 'a'
@@ -1115,31 +1162,19 @@ static void test4_cancelHandleTest()
 {
     mwctst::TestHelper::printTestName("Cancel Handle Test");
 
-#if defined(__has_feature)  // Clang-supported method for checking sanitizers.
-    const bool skipTestForSanitizers = __has_feature(memory_sanitizer) ||
-                                       __has_feature(thread_sanitizer) ||
-                                       __has_feature(
-                                           undefined_behavior_sanitizer);
-#elif defined(__SANITIZE_MEMORY__) || defined(__SANITIZE_THREAD__) ||         \
-    defined(__SANITIZE_UNDEFINED__)
-    // GCC-supported macros for checking MSAN and TSAN.
-    const bool skipTestForSanitizers = true;
-#else
-    const bool skipTestForSanitizers = false;  // Default to running the test.
-#endif
-
-    if (skipTestForSanitizers) {
-        // This test has been disabled for MSan/TSan/UBSan build. This test
-        // relies on the timings of certain callbacks being fired before or
-        // after certain operations.  Normally this timing is always observed,
-        // but in msan/tsan/ubsan enabled build, the timing gets changed,
-        // leading to test failure.  Of course, the right fix is to not rely on
-        // these timings, which can be worked on if the test starts failing in
-        // non-instrumented builds. Additionally, we could try to enable this
-        // test in MSan/TSan/UBSan build once all MSan/TSan/UBSan reports have
-        // been fixed to see if that helps (see `msansup.txt`, `tsansup.txt`
-        // and `ubsansup.txt`).
-        bsl::cout << "Test skipped (running under sanitizer)" << bsl::endl;
+    if (skipTest) {
+        // This test has been disabled for Solaris/MSan/TSan/UBSan build. This
+        // test relies on the timings of certain callbacks being fired before
+        // or after certain operations. Normally this timing is always
+        // observed, but in msan/tsan/ubsan enabled build, the timing gets
+        // changed, leading to test failure. Of course, the right fix is to
+        // not rely on these timings, which can be worked on if the test starts
+        // failing in non-instrumented builds. Additionally, we could try to
+        // enable this test in MSan/TSan/UBSan build once all MSan/TSan/UBSan
+        // reports have been fixed to see if that helps (see `msansup.txt`,
+        // `tsansup.txt` and `ubsansup.txt`).
+        bsl::cout << "Test skipped (running on Solaris or under sanitizer)"
+                  << bsl::endl;
         return;  // RETURN
     }
 
@@ -1197,6 +1232,22 @@ static void test3_watermarkTest()
 {
     mwctst::TestHelper::printTestName("Watermark Test");
 
+    if (skipTest) {
+        // This test has been disabled for Solaris/MSan/TSan/UBSan build. This
+        // test relies on the timings of certain callbacks being fired before
+        // or after certain operations. Normally this timing is always
+        // observed, but in msan/tsan/ubsan enabled build, the timing gets
+        // changed, leading to test failure. Of course, the right fix is to
+        // not rely on these timings, which can be worked on if the test starts
+        // failing in non-instrumented builds. Additionally, we could try to
+        // enable this test in MSan/TSan/UBSan build once all MSan/TSan/UBSan
+        // reports have been fixed to see if that helps (see `msansup.txt`,
+        // `tsansup.txt` and `ubsansup.txt`).
+        bsl::cout << "Test skipped (running on Solaris or under sanitizer)"
+                  << bsl::endl;
+        return;  // RETURN
+    }
+
     Tester t(s_allocator_p);
 
     // Concern 'a'
@@ -1286,6 +1337,22 @@ static void test1_breathingTest()
 {
     mwctst::TestHelper::printTestName("Breathing Test");
 
+    if (skipTest) {
+        // This test has been disabled for Solaris/MSan/TSan/UBSan build. This
+        // test relies on the timings of certain callbacks being fired before
+        // or after certain operations. Normally this timing is always
+        // observed, but in msan/tsan/ubsan enabled build, the timing gets
+        // changed, leading to test failure. Of course, the right fix is to
+        // not rely on these timings, which can be worked on if the test starts
+        // failing in non-instrumented builds. Additionally, we could try to
+        // enable this test in MSan/TSan/UBSan build once all MSan/TSan/UBSan
+        // reports have been fixed to see if that helps (see `msansup.txt`,
+        // `tsansup.txt` and `ubsansup.txt`).
+        bsl::cout << "Test skipped (running on Solaris or under sanitizer)"
+                  << bsl::endl;
+        return;  // RETURN
+    }
+
     Tester t(s_allocator_p);
     t.init(L_);