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In addition, if you encounter technical issues with your Microsoft DHCP servers, contact Microsoft Technical Support or consult the Microsoft Support site at http://support.microsoft.com/. Some Windows versions require certain updates and hotfixes installed, so the Microsoft server can synchronize with the Grid member. For information about these requirements, see Requirements .
The topics in this chapter include:
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As shown in Table 36.1, Microsoft servers and Infoblox DHCP servers represent DHCP data differently. Scopes on Microsoft servers are DHCP ranges on Infoblox DHCP servers. Additionally, Microsoft servers support split-scopes, which is a scope assigned to two Microsoft servers. Each scope has an exclusion range on opposite ends to specify the pool of IP addresses that the other Microsoft server allocates. On an Infoblox DHCP server, each scope in the split-scope is represented as a DHCP range with an exclusion range. Note that NIOS also synchronizes scopes assigned to more than two Microsoft servers, but they are not synchronized as split-scopes.
Fixed addresses on Infoblox DHCP servers are the same as reservations on Microsoft servers. Infoblox reservations, which are IP addresses that are excluded from DHCP, are not supported on Microsoft servers. Microsoft superscopes, which are used to group scopes, are represented as superscopes and can be managed from Infoblox DHCP servers.
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| DHCP Data | Microsoft DHCP Servers | Infoblox DHCP Servers |
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Address pool from which the server allocates addresses | Scope | DHCP Address Range in a Network |
An IP address that is always assigned to the same device | Reservation | Fixed Address |
An IP address that is excluded from DHCP because a user intends to configure it manually on a network device | Not supported | Reservation |
| Administrative group of scopes | Superscope | Microsoft superscope |
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Note: In this chapter, reservations always refer to Microsoft reservations (Infoblox fixed addresses), unless otherwise specified.
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