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4sysops members can earn and read without ads! I have an issue with Veeam Backup & Replication backups failing because the Veeam proxy servers cannot connect to the ESXi host over port 902 (NFC). You can add brokers later to scale up. Good Luck from the Hoosier Heartland of Indiana! If anyone can provide any pointers, further troubleshooting suggestions or ideas on what may be happening, I'd be grateful if you could share. Which led us down the path of realizing that there was a mis-configuration on the Distributed Virtual Switches on that cluster. Backups were working intermittently until a few days ago. Veeam Backup & Replication v. 10.0.1.4854 running on Windows Server 2016 TCP and UDP Ports required to access VMware vCenter Server, VMware ESXi If you do not enable the rule or configure the firewall, vSphere Integrated Containers Engine does not function, and you cannot deploy VCHs. Cluster Monitoring, Membership, and Directory Service used by. Use wireshark/tcpdump or some other packet sniffing tool on your vCenter or backup server when a backup runs and filter for traffic on port 902. For an optimal experience on our website, please consider changing to Microsoft Edge, Firefox, Chrome or Safari. At installation time, the ESXi firewall is configured to block incoming and outgoing traffic, except traffic for services that are enabled in the host's security profile. Opening port 2377 for outgoing connections on ESXi hosts opens port 2377 for inbound connections on the VCHs. Whether vCenter Server manages the host or it is a standalone ESXi host, different tools and access paths can do this. NSX Virtual Distributed Router service. It only takes a minute to sign up. How to open and close firewall ports on VMware ESXi hosts A window should then appear asking you to confirm the removal of Edge (in my case, it did appear in Windows Server 2022 and Windows 10, but not on Windows 11). Veritas does not guarantee the accuracy regarding the completeness of the translation. Go to Hosts and clusters, select Host, and go to Configure > Firewall. The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. For the deployment of a VCH to succeed, port 2377 must be open for outgoing connections on all ESXi hosts before you run vic-machine create to deploy a VCH. If no VDR instances are associated with the host, the port does not have to be open. The information is primarily for services that are visible in the vSphere Web Client but the table includes some other ports as well. Port 902 must not be blocked between the vSphere Client and the hosts. Back up VMware VMs with Azure Backup Server - Azure Backup Do not make this available over the internet, if that is your plan. Contacting CommVault support and looking in the detailed logs, they show that our VC is Actively Refusing connections over TCP 902: -Reviewed VSBKP and VIXDISKLIB Logs. Welcome to the Snap! Port 902 was also used soley for VMware Remote Console connectivity to the ESX server. Network File Copy (NFC) provides a file-type-aware FTP service for vSphere components.