diff --git a/sdk/cosmos/azure-cosmos-benchmark/pom.xml b/sdk/cosmos/azure-cosmos-benchmark/pom.xml
index 53b0cefff1f9..807dc9f4e871 100644
--- a/sdk/cosmos/azure-cosmos-benchmark/pom.xml
+++ b/sdk/cosmos/azure-cosmos-benchmark/pom.xml
@@ -88,15 +88,6 @@ Licensed under the MIT License.
       <version>1.5.4</version> <!-- {x-version-update;io.micrometer:micrometer-registry-graphite;external_dependency} -->
     </dependency>
 
-    <!-- Issue: We have a problem with Direct TCP with using netty-tcnative when OpenSSL 1.1 is installed
-    <dependency>
-      <groupId>io.netty</groupId>
-      <artifactId>netty-tcnative</artifactId>
-      <version>2.0.31.Final</version> {x-version-update;io.netty:netty-tcnative;external_dependency}
-      <classifier>linux-x86_64</classifier>
-    </dependency>
-    -->
-
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
diff --git a/sdk/cosmos/azure-cosmos-encryption/pom.xml b/sdk/cosmos/azure-cosmos-encryption/pom.xml
index 9b42a6a5d7ac..5905769907be 100644
--- a/sdk/cosmos/azure-cosmos-encryption/pom.xml
+++ b/sdk/cosmos/azure-cosmos-encryption/pom.xml
@@ -50,38 +50,12 @@ Licensed under the MIT License.
       <groupId>com.azure</groupId>
       <artifactId>azure-security-keyvault-keys</artifactId>
       <version>4.3.0-beta.1</version> <!-- {x-version-update;com.azure:azure-security-keyvault-keys;current} -->
-
-      <!-- Due to a bug in RNTBD (https://github.com/Azure/azure-sdk-for-java/issues/7829),
-           transitive dependency on netty-tcnative* cause problem.
-
-           Excluding transitive dependencies and forcing azure-core to be imported from azure-cosmos.
-           We can remove this once the bug is fixed.
-      -->
-      <exclusions>
-        <exclusion>
-          <groupId>com.azure</groupId>
-          <artifactId>azure-core</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
 
     <dependency>
       <groupId>com.azure</groupId>
       <artifactId>azure-identity</artifactId>
       <version>1.2.0-beta.1</version> <!-- {x-version-update;com.azure:azure-identity;current} -->
-
-      <!-- Due to a bug in RNTBD (https://github.com/Azure/azure-sdk-for-java/issues/7829),
-           transitive dependency on netty-tcnative* cause problem.
-
-           Excluding transitive dependencies and forcing azure-core to be imported from azure-cosmos.
-           We can remove this once the bug is fixed.
-      -->
-      <exclusions>
-        <exclusion>
-          <groupId>com.azure</groupId>
-          <artifactId>azure-core</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
 
     <!-- Added this provided dependency to include necessary annotations used by "reactor-core".
diff --git a/sdk/cosmos/azure-cosmos/CHANGELOG.md b/sdk/cosmos/azure-cosmos/CHANGELOG.md
index 5b0d9c161248..f2a233465a4f 100644
--- a/sdk/cosmos/azure-cosmos/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos/CHANGELOG.md
@@ -1,7 +1,8 @@
 # Release History
 
 ## 4.4.0-beta.2 (Unreleased)
-
+### Key Bug Fixes
+* Fixed RequestTimeoutException when enable tcnative.
 
 ## 4.4.0-beta.1 (2020-08-27)
 ### New Features
diff --git a/sdk/cosmos/azure-cosmos/pom.xml b/sdk/cosmos/azure-cosmos/pom.xml
index 90d79d86109c..2b74a1c6b08c 100644
--- a/sdk/cosmos/azure-cosmos/pom.xml
+++ b/sdk/cosmos/azure-cosmos/pom.xml
@@ -121,12 +121,6 @@ Licensed under the MIT License.
       <groupId>com.azure</groupId>
       <artifactId>azure-core</artifactId>
       <version>1.7.0</version> <!-- {x-version-update;com.azure:azure-core;dependency} -->
-      <exclusions>
-        <exclusion>
-          <groupId>io.netty</groupId>
-          <artifactId>*</artifactId>
-        </exclusion>
-      </exclusions>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.module</groupId>
diff --git a/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/directconnectivity/rntbd/RntbdClientChannelHandler.java b/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/directconnectivity/rntbd/RntbdClientChannelHandler.java
index 7f060bc4688e..5774d1f6c69d 100644
--- a/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/directconnectivity/rntbd/RntbdClientChannelHandler.java
+++ b/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/directconnectivity/rntbd/RntbdClientChannelHandler.java
@@ -12,6 +12,7 @@
 import io.netty.channel.pool.ChannelPool;
 import io.netty.channel.pool.ChannelPoolHandler;
 import io.netty.handler.logging.LoggingHandler;
+import io.netty.handler.ssl.SslHandler;
 import io.netty.handler.timeout.IdleStateHandler;
 import io.netty.util.AttributeKey;
 import org.slf4j.Logger;
@@ -113,7 +114,9 @@ protected void initChannel(final Channel channel) {
         }
 
         pipeline.addFirst(
-            this.config.sslContext().newHandler(channel.alloc()),
+            // TODO (DANOBLE) Log an issue with netty
+            // Initialize sslHandler with jdkCompatibilityMode = true for openssl context.
+            new SslHandler(this.config.sslContext().newEngine(channel.alloc())),
             new IdleStateHandler(
                 idleConnectionTimerResolutionInNanos,
                 idleConnectionTimerResolutionInNanos,