diff --git a/cdm/s3/src/test/java/thredds/filesystem/s3/TestControllerS3.java b/cdm/s3/src/test/java/thredds/filesystem/s3/TestControllerS3.java
index 342cbec4dd..6fbbf6795e 100644
--- a/cdm/s3/src/test/java/thredds/filesystem/s3/TestControllerS3.java
+++ b/cdm/s3/src/test/java/thredds/filesystem/s3/TestControllerS3.java
@@ -11,6 +11,7 @@
 import java.util.Iterator;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.slf4j.Logger;
@@ -94,6 +95,7 @@ public void testGetInventoryTopBucketNoDelimiterGcs() throws URISyntaxException
     checkInventoryTopCountExact(uri, LIMIT_COUNT_MAX);
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryTopBucketGcsNoDelimiterOsdc() throws URISyntaxException {
     CdmS3Uri uri = new CdmS3Uri(S3TestsCommon.TOP_LEVEL_OSDC_BUCKET);
@@ -114,6 +116,7 @@ public void testGetInventoryTopBucketDelimiterGcs() throws URISyntaxException {
     checkInventoryTopCountExact(uri, 0);
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryTopBucketDelimiterOsdc() throws URISyntaxException {
     CdmS3Uri uri = new CdmS3Uri(S3TestsCommon.TOP_LEVEL_OSDC_BUCKET + DELIMITER_FRAGMENT);
@@ -137,6 +140,7 @@ public void testGetInventoryTopBucketAndPrefixSingleMatchGcs() throws URISyntaxE
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryTopBucketAndPrefixSingleMatchOsdc() throws URISyntaxException {
     for (String delimiter : DELIMITER_FRAGMENTS) {
@@ -164,6 +168,7 @@ public void testGetInventoryTopBucketAndPrefixMultiMatchGcs() throws URISyntaxEx
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryTopBucketAndPrefixMultiMatchOsdc() throws URISyntaxException {
     for (String delimiter : DELIMITER_FRAGMENTS) {
@@ -192,6 +197,7 @@ public void testGetInventoryAllBucketGcs() throws URISyntaxException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryAllBucketOsdc() throws URISyntaxException {
     for (String delimiter : DELIMITER_FRAGMENTS) {
@@ -216,6 +222,7 @@ public void testGetInventoryAllBucketAndPrefixSingleMatchGcs() throws URISyntaxE
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryAllBucketAndPrefixSingleMatchOsdc() throws URISyntaxException {
     for (String delimiter : DELIMITER_FRAGMENTS) {
@@ -243,6 +250,7 @@ public void testGetInventoryAllBucketAndPrefixMultiMatchGcs() throws URISyntaxEx
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetInventoryAllBucketAndPrefixMultiMatchOsdc() throws URISyntaxException {
     for (String delimiter : DELIMITER_FRAGMENTS) {
@@ -267,6 +275,7 @@ public void testGetSubdirsWithDelimiterGcs() throws URISyntaxException {
     checkSubdirsCount(uri, 24);
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetSubdirsWithDelimiterOsdc() throws URISyntaxException {
     CdmS3Uri uri =
@@ -286,6 +295,7 @@ public void testGetSubdirsWithoutDelimiterGcs() throws URISyntaxException {
     checkSubdirsCount(uri, 0);
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testGetSubdirsWithoutDelimiterOsdc() throws URISyntaxException {
     CdmS3Uri uri = new CdmS3Uri(S3TestsCommon.TOP_LEVEL_OSDC_BUCKET + "?" + getOsdcKey(G16_KEY_SINGLE_DAY));
diff --git a/cdm/s3/src/test/java/thredds/inventory/s3/TestMFileS3.java b/cdm/s3/src/test/java/thredds/inventory/s3/TestMFileS3.java
index f207422266..6b1f75502d 100644
--- a/cdm/s3/src/test/java/thredds/inventory/s3/TestMFileS3.java
+++ b/cdm/s3/src/test/java/thredds/inventory/s3/TestMFileS3.java
@@ -14,6 +14,7 @@
 import java.net.URISyntaxException;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.slf4j.Logger;
@@ -113,6 +114,7 @@ public void bucketAndKeyGcs() throws IOException {
     checkWithBucketAndKey(GCS_G16_S3_OBJECT_1 + DELIMITER_FRAGMENT, G16_NAME_1, "/");
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   @Category(NotPullRequest.class)
   public void bucketAndKeyOsdc() throws IOException {
@@ -204,6 +206,7 @@ public void s3MFilesAuxInfoOsdc() throws IOException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void shouldWriteObjectsToStream() throws IOException {
     final String[] objects = {AWS_G16_S3_OBJECT_1, GCS_G16_S3_OBJECT_1, OSDC_G16_S3_OBJECT_1};
diff --git a/cdm/s3/src/test/java/ucar/unidata/io/s3/TestS3Read.java b/cdm/s3/src/test/java/ucar/unidata/io/s3/TestS3Read.java
index d86419afe4..b3ba7d1be6 100644
--- a/cdm/s3/src/test/java/ucar/unidata/io/s3/TestS3Read.java
+++ b/cdm/s3/src/test/java/ucar/unidata/io/s3/TestS3Read.java
@@ -16,6 +16,7 @@
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import org.slf4j.Logger;
@@ -325,6 +326,7 @@ public void gcsPartialReadAquireDataset() throws IOException, InvalidRangeExcept
    *
    * @throws IOException Error accessing object store
    */
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void osdcFullReadFile() throws IOException {
     try (NetcdfFile ncfile = NetcdfFiles.open(OSDC_G16_S3_URI)) {
@@ -332,6 +334,7 @@ public void osdcFullReadFile() throws IOException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void osdcFullReadDataset() throws IOException {
     try (NetcdfDataset ncd = NetcdfDatasets.openDataset(OSDC_G16_S3_URI)) {
@@ -339,6 +342,7 @@ public void osdcFullReadDataset() throws IOException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void osdcPartialReadFile() throws IOException, InvalidRangeException {
     try (NetcdfFile ncfile = NetcdfFiles.open(OSDC_G16_S3_URI)) {
@@ -346,6 +350,7 @@ public void osdcPartialReadFile() throws IOException, InvalidRangeException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void osdcPartialReadDataset() throws IOException, InvalidRangeException {
     try (NetcdfDataset ncd = NetcdfDatasets.openDataset(OSDC_G16_S3_URI)) {
@@ -353,6 +358,7 @@ public void osdcPartialReadDataset() throws IOException, InvalidRangeException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void osdcPartialReadAquireFile() throws IOException, InvalidRangeException {
     DatasetUrl durl = DatasetUrl.findDatasetUrl(OSDC_G16_S3_URI);
@@ -361,6 +367,7 @@ public void osdcPartialReadAquireFile() throws IOException, InvalidRangeExceptio
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void osdcPartialReadAquireDataset() throws IOException, InvalidRangeException {
     DatasetUrl durl = DatasetUrl.findDatasetUrl(OSDC_G16_S3_URI);
@@ -369,6 +376,7 @@ public void osdcPartialReadAquireDataset() throws IOException, InvalidRangeExcep
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void compareStores() throws IOException {
     System.setProperty(S3TestsCommon.AWS_REGION_PROP_NAME, S3TestsCommon.AWS_G16_REGION);
@@ -385,6 +393,7 @@ public void compareStores() throws IOException {
     }
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void compareAgainstLocal() throws IOException {
     System.setProperty(S3TestsCommon.AWS_REGION_PROP_NAME, S3TestsCommon.AWS_G16_REGION);
diff --git a/docs/src/test/java/tests/TestDatasetUrlExamples.java b/docs/src/test/java/tests/TestDatasetUrlExamples.java
index 4f589dd798..7b71121a32 100644
--- a/docs/src/test/java/tests/TestDatasetUrlExamples.java
+++ b/docs/src/test/java/tests/TestDatasetUrlExamples.java
@@ -8,6 +8,7 @@
 
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 import ucar.httpservices.Escape;
@@ -54,6 +55,7 @@ public void testGcsS3Goes16Example() throws IOException {
     DatasetUrlExamples.gcsGoes16Example();
   }
 
+  @Ignore("Failing due to expired certificate on OSDC")
   @Test
   public void testOsdcS3Goes16Example() throws IOException {
     // osdcGoes16Example method uses Google Truth