Managing WINS

You manage WINS by using the WINS snap-in to the Microsoft Management Console (MMC). The snap-in enables you to view the WINS database of name-to-IP address mappings, create static WINS entries, and manage WINS replication. The snap-in is shown in Figure 15-3.

IRWINS

File Action View Help

* 1 ë [is Iff H 1*1 i"

^ WINS

WINNETAS [192.168.131,67]

Q 5erver 5tatus

Configuration Folders for 'WINNETAS' ] Description

B WINNETAS [192,168.131.67] i QJ Active Registrations ! Replication Partners

C3 Active Registrations Name entries in the WINS Databas Cj Replication Partners Servers that this WINS server repli

<1 1

II III

Figure 15-3 The WINS management snap-in

Figure 15-3 The WINS management snap-in

The WINS database

The WINS database contains all of the name-to-IP address mappings in a WINS server. To display mappings in the database, right-click the Active Registrations folder and select Display Records from the pop-up menu. Windows displays the Display Records dialog box, shown in Figure 15-4, which enables you to specify search criteria for the records you want to display. For example, you might want to display records containing a certain name or IP address.

Figure 15-4 Displaying WINS records

Static WINS entries

Some environments may require you to create static WINS entries. For example, if your network contains servers that are not WINS compatible, as well as older versions of Windows that rely on WINS for name resolution, then you may need to manually create WINS entries for those servers so that the clients can find them.

Do not create static entries for any computer capable of dynamically registering itself with WINS. If you do, you'll create a name conflict that may prevent other computers from properly resolving the first computer's name.

You should use static WINS entries only when absolutely necessary because it's very easy to forget that they're in the database. If you change the IP address for a computer that has a static WINS entry, you need to remember to update the WINS entry yourself, or that computer may be inaccessible to the rest of the network.

To create a static WINS entry, follow these steps:

1. Right-click Active Registrations and select New Static Mapping from the pop-up menu.

2. Enter the computer name and IP address for the static mapping. Select the appropriate mapping type (use Unique if the static entry represents a computer).

Done!

WINS replication

Replication enables you to have multiple WINS servers on your network. For example, if your network spans two different offices, you might want to include a WINS server in each office to provide faster WINS services to the users in each office.

Normally, the problem with having multiple WINS servers is that they don't share name-to-IP address mappings. Consider World Metro Bank, which plans to include WINS servers in several of their offices. The users in each office will be configured to use their local WINS server. Users in the Houston office, however, wouldn't be able to resolve the IP addresses of computers in the Dallas office, because the Houston WINS server wouldn't contain entries for Dallas computers. WINS replication is designed to solve that problem, by copying the WINS records from one WINS server to one or more other WINS servers, ensuring that all of the servers contain the same records. I

To enable replication between WINS servers, follow these steps:

1. Right-click Replication Partners and select New Replication Partner from s a the pop-up menu. O =

2. Enter the name of the WINS server you want to replicate with, and click OK. ^ y

WINS adds new replication partners as push/pull partners, which means both e

WINS servers will send records to one another and request new records from one o another. You should normally leave replication partners configured for push/pull §

operation, unless you are upgrading from Windows NT 4.0 and you need to duplicate a different replication configuration.

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