Medium Operating Systems ✓ Solution Verified by Community (0+ upvotes)

Error Code error-cluster-invalid-ipv6-network — Windows 11

ERROR_CLUSTER_INVALID_IPV6_NETWORK = 5926

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📅 Aktualizováno: 2026-08-12
⏱️ 20 min čtení
Oprava založena na komunitních zprávách a expertní analýze. Naposledy ověřeno: 2026-08-12 · Jak ověřujeme opravy
Error Codeerror-cluster-invalid-ipv6-network
Affected SystemWindows 11 (Microsoft)
DifficultyMedium
Estimated Time20 min
Requires Admin Rights⚠️ Yes

Postup řešení

  1. 1 Open Failover Cluster Manager: Press Windows key + R, type 'cluadmin.msc', and press Enter. Click Yes if prompted.
  2. 2 In the left pane, click on 'Networks'. Identify the network that is causing the error. Right-click it and select 'Properties'. Go to the 'IPv6' tab (if available) and review the IPv6 address and prefix length.
  3. 3 Ensure that the IPv6 address is in the correct format (e.g., 2001:db8::1) and that the prefix length matches the network's subnet. For example, if the network is on the 2001:db8::/64 subnet, the prefix length should be 64.
  4. 4 If the IPv6 address is incorrect, change it to a valid address within the subnet. You can also use the 'Obtain an IPv6 address automatically' option if you are using DHCPv6, but for cluster networks, static addresses are recommended.
  5. 5 If you are using PowerShell to create a network, use the -Address parameter with the correct IPv6 address and prefix. For example: New-ClusterNetwork -Name "IPv6Net" -Address "2001:db8::/64" -SubnetMask "64".

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