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Note: Note that the service restart restriction does not exist for future scheduled full upgrades once your Grid has been upgraded to NIOS 7.3.0 and later 7.3.x releases.
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The appliance also puts certain rules in place to ensure data integrity and controls data that can cause undesirable results during the upgrade process. When you schedule a full upgrade from NIOS 6.6.x or later to a later NIOS release, the following rules apply:
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- You cannot delete DNS views.
- You cannot delete DNS zones and IPv4 and IPv6 networks that are under Microsoft Management until the managing member of the Microsoft servers has completed its upgrade and exited its revert time window. Certain Microsoft management restrictions also apply, as described in Managing Upgrade Groups.
- Synchronization between load balancers and the appliance is disabled until the load balancer managing member has completed its upgrade and exited its revert time window. You cannot change the managing member during the upgrade.
- You cannot add, modify, or delete network views, rulesets, and DNS64 synthesis groups.
- Replication of Grid and member DNS and DHCP properties is not supported.
- You can create named ACLs (access control lists) only after the entire Grid has been upgraded. For information about named ACLs, see Configuring Access Control6.
Note that during a scheduled full upgrade, you cannot perform the following tasks on a Grid member that has not been upgraded yet:
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- If the Grid has an HA Master or HA member and if it is configured with IPv6 VIP address, you must configure IPv6 addresses for both node 1 and node 2.
- Both the Grid Master and the Grid Master Candidate should have the same type of network connectivity.
- You have to back up the current configuration and database.
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When you schedule a full upgrade from a previous NIOS release to a release that includes the Secure Dynamic Updates feature, the following rules apply until the Grid has completed the upgrade:
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- You cannot add, modify, or delete an NS group.
- You cannot add, modify, or delete manually created NS records.
- You cannot add, modify, or delete a zone.
- You cannot assign or unassign an NS group to a zone.
- You cannot change the NS group assigned to a zone.
- You cannot change the host name of the Grid members that are assigned to a zone if the members have not been upgraded, have been reverted, or are in the revert time window.
- You cannot restart DNS and DHCP services or schedule a restart for these services on Grid members that have not been upgraded. For more information, see Restarting Groups7.
Note the following when you schedule a full upgrade from a previous release to NIOS 7.2.x and later:
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- When you schedule a full upgrade from a previous NIOS release to NIOS 7.3.x or later, the Threat Protection Statistics widget in the Dashboard is replaced by the Threat Protection Status for Member widget. For information about the Threat Protection Status for Member widget, see Threat Protection Status for Member onpage 165.
- When you schedule a full upgrade from NIOS 7.3.x release to NIOS 8.0.x and later releases, the Dig Request, Threat Analytics Status for Grid, and Threat Analytics Status for Member widgets will not be available in the Dashboard, by default. You have to add the widget to the Dashboard. But if you upgrade from NIOS 7.2.x or earlier releases to NIOS 8.0.x and later releases, the Dig Request, Threat Analytics Status for Grid, and Threat Analytics Status for Member widgets will be available in the Dashboard, by default. For information about the Dig Request, Threat Analytics Status for Grid, and Threat Analytics Status for Member widgets, see Dig Request, Threat Analytics Status for Grid, and Threat Analytics Status for Member on page 172 respectively.
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Note: Note that the deactivation of these functions does not affect any data on the Microsoft servers. After the upgrade, the member automatically restarts the synchronization of Microsoft data.
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On a member that synchronizes data with Microsoft DNS and DHCP servers, the following rules apply:
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