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- Infoblox recommends that you schedule the initial synchronization at a time when your network is less busy, especially if you are synchronizing a large amount of data. In addition, if a Microsoft server reconnects after being disconnected for a long period of time, it could synchronize a significant amount of data and this could impact the Grid Master performance.
- vNIOS Grid members and Grid members running on Infoblox-250, Trinzic 100, and Trinzic 810 appliances do not support being configured as managing members.
- The managing member must be close, in terms of network hops, latency and bandwidth, to the Microsoft servers that it manages. This will help reduce the synchronization time and potential retries due to network delays.
- Although a Grid member that manages Microsoft servers can run other protocols and services, to optimize performance, Infoblox recommends that you configure one or more members solely for managing Microsoft servers.
- Grid members connect to Microsoft servers using RPC calls over TCP/IP. You must adjust your firewall policies to allow traffic between the managing Grid member and its assigned Microsoft servers. Grid members use the VIP as their source port. In Windows Server 2003, RPC uses the dynamic port range 1025-5000, by default. In Windows Server 2008, RPC uses the dynamic port range 49152-65535, by default. You can reduce the number of available ports as follows:
- In Windows Server 20032019, use the rpccfg.exe tool. For information, refer to http://support.microsoft.com/kb/908472.
- In Windows Server 2008 2022 and later, use the netsh tool. For information, refer to http://support.microsoft.com/kb/929851.
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