diff --git a/sdcm/cluster.py b/sdcm/cluster.py
index d08e4fe73d..e9b9bbf0e9 100644
--- a/sdcm/cluster.py
+++ b/sdcm/cluster.py
@@ -3157,6 +3157,12 @@ def wait_node_fully_start(self, verbose=True, timeout=3600):
         self.log.info('Waiting for native_transport to be ready')
         self.wait_native_transport()
 
+    def disable_firewall(self) -> None:
+        self.remoter.sudo('systemctl stop iptables', ignore_status=True)
+        self.remoter.sudo('systemctl disable iptables', ignore_status=True)
+        self.remoter.sudo('systemctl stop firewalld', ignore_status=True)
+        self.remoter.sudo('systemctl disable firewalld', ignore_status=True)
+
 
 class FlakyRetryPolicy(RetryPolicy):
 
@@ -4645,11 +4651,9 @@ def scylla_configure_non_root_installation(self, node, devname):
 
     def node_setup(self, node: BaseNode, verbose: bool = False, timeout: int = 3600):  # pylint: disable=too-many-branches,too-many-statements,too-many-locals  # noqa: PLR0912, PLR0914
         node.wait_ssh_up(verbose=verbose, timeout=timeout)
+
         if node.distro.is_rhel_like:
-            node.remoter.sudo('systemctl stop iptables', ignore_status=True)
-            node.remoter.sudo('systemctl disable iptables', ignore_status=True)
-            node.remoter.sudo('systemctl stop firewalld', ignore_status=True)
-            node.remoter.sudo('systemctl disable firewalld', ignore_status=True)
+            node.disable_firewall()
 
         if self.params.get('logs_transport') == 'ssh':
             node.install_package('python3')
@@ -5486,6 +5490,10 @@ def sct_dashboard_json_file_content_update(update_params: dict, json_file: str):
     def node_setup(self, node, **kwargs):  # pylint: disable=unused-argument
         self.log.info('TestConfig in BaseMonitorSet')
         node.wait_ssh_up()
+
+        if node.distro.is_rhel_like:
+            node.disable_firewall()
+
         node.disable_daily_triggered_services()
         # update repo cache and system after system is up
         node.update_repo_cache()
@@ -5591,6 +5599,15 @@ def install_scylla_monitoring_prereqs(self, node):  # pylint: disable=invalid-na
                     dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
                     dnf install -y docker-ce docker-ce-cli containerd.io
                 """)
+            elif node.distro.is_rhel9:
+                # TODO: Temporary workaround for RHEL9 installation issue https://github.com/moby/moby/issues/49169
+                # Install packages manually hardcoding the OS version ($releasever) in /etc/yum.repos.d/docker-ce.repo
+                # After issue resolution, we can return the previous approach with installation script
+                install_docker_cmd = dedent("""
+                    dnf config-manager --add-repo https://download.docker.com/linux/rhel/docker-ce.repo
+                    sed -i \"s/\\$releasever/9/g\" /etc/yum.repos.d/docker-ce.repo
+                    dnf install -y docker-ce docker-ce-cli containerd.io
+                """)
             else:
                 install_docker_cmd = dedent("""
                     curl -fsSL get.docker.com --retry 5 --retry-max-time 300 -o get-docker.sh
diff --git a/sdcm/provision/user_data.py b/sdcm/provision/user_data.py
index 136018229c..758c8f55e6 100644
--- a/sdcm/provision/user_data.py
+++ b/sdcm/provision/user_data.py
@@ -66,12 +66,12 @@ def yum_repos(self) -> Dict:
             "yum_repos":
                 {
                     "epel-release": {
-                        "baseurl": "http://download.fedoraproject.org/pub/epel/7/$basearch",
+                        "baseurl": "https://dl.fedoraproject.org/pub/epel/9/Everything/$basearch",
                         "enabled": True,
                         "failovermethod": "priority",
                         "gpgcheck": True,
-                        "gpgkey": "http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7",
-                        "name": "Extra Packages for Enterprise Linux 7 - Release"
+                        "gpgkey": "https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-9",
+                        "name": "Extra Packages for Enterprise Linux 9 - Everything"
                     }
                 }
         }
diff --git a/test-cases/manager/manager-regression-azure.yaml b/test-cases/manager/manager-regression-azure.yaml
index 93107369df..2b5b025eb5 100644
--- a/test-cases/manager/manager-regression-azure.yaml
+++ b/test-cases/manager/manager-regression-azure.yaml
@@ -7,7 +7,9 @@ n_db_nodes: 3
 n_loaders: 1
 n_monitor_nodes: 1
 
-azure_image_monitor: 'OpenLogic:CentOS:7_9:latest'
+azure_image_monitor: 'RedHat:RHEL:9_5:latest'
+# Default 50 GB value is changed here as the size of the corresponding disk in the VM image: 64 GB
+root_disk_size_monitor: 64
 
 post_behavior_db_nodes: "destroy"
 post_behavior_loader_nodes: "destroy"