Learn Editor: Update azure-vmware-solution-known-issues.md

Author: jkpravinkumar

articles/azure-vmware/azure-vmware-solution-known-issues.md

@@ -16,6 +16,7 @@ Refer to the table to find details about resolution dates or possible workaround
 
 |Issue | Date discovered | Workaround | Date resolved |
 | :------------------------------------- | :------------ | :------------- | :------------- |
+| Compression and deduplication are disabled by default in vSAN OSA-based clusters. This behavior is observed starting from Cluster-2 onwards, whereas Cluster-1 was deployed with the default configuration. | September 29, 2025 | To remediate, use existing Set-vSANCompressDedupe Run command to enable Compression and Deduplication. Click the [link](https://learn.microsoft.com/en-us/azure/azure-vmware/configure-vsan#set-vmware-vsan-space-efficiency) to learn more about Set-vSANCompressDedupe cmdlet. | N/A |
 | [VMSA-2025-0016](https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36150]) VMware vCenter Server and NSX updates address multiple vulnerabilities (CVE-2025-41250, CVE-2025-41251, CVE-2025-41252). | September 29, 2025 | These vulnerabilities do not apply to Azure VMware Solution since we have existing compensating controls to mitigate the risk of exploitation. | N/A |
 | [VMSA-2025-0015](https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/36149) VMware Aria Operations and VMware Tools updates address multiple vulnerabilities (CVE-2025-41244, CVE-2025-41245, CVE-2025-41246). | September 29, 2025 | Microsoft has confirmed these vulnerabilities affect Azure VMware Solution. Microsoft strongly recommends immediately upgrading VMware Aria Operations and VMware Tools for remediation. To remediate CVE-2025-41244, apply version 12.5.4 or 13.0.5 of VMware Tools using the Azure VMware Solution Run command ``Set-Tools-Repo.`` | September 29, 2025 |
 | [VMSA-2025-0014](https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35964) VMware vCenter Server updates address a denial-of-service vulnerability. | July 29, 2025 | Microsoft is aware of VMSA-2025-0014, which details a moderate-severity denial-of-service vulnerability in vCenter Server. Our security assessment has determined that this issue poses a low risk to the Azure VMware Solution platform. This vulnerability will be addressed as part of our regular, scheduled maintenance and update cycles. No immediate action is required from customers. | N/A |