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When your server has multiple IP addresses, you may see that those IP addresses are sorted in the SNA Service table in an order that you do not want and that may cause a Microsoft Host Integration Server 2013 client to attempt to connect to an IP address that cannot be reached. This will result in a noticeable delay when establishing the client connection.


This behavior is by design. Host Integration Server relies on the IP address order that is determined by the operating system. This OS behavior changed with the release of Windows Server 2012.


The hotfix that resolves this issue is included in Cumulative Update 2 for Host Integration Server 2013. This fix is also included in HIS 2016.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

A supported design change is now available that enables you to maintain these particular service-table entries manually.

To achieve this, the following registry entry was introduced:

Name: AddressOrder
Use this registry entry to manually add the desired IP addresses. Add one address per line. For example:

Additionally, you must also set the following registry entry on the HIS server:

REG_SZ: ReadjustMultihomedAddresses
Value: NO

If multiple addresses are listed in the “AddressOrder” value on the HIS server, you will additionally need to add the following registry entries on each HIS client instance:

REG_SZ: ReadjustMultihomedAddresses
Value: NO

Note If HIS client is configured with “Run resource location component as an application” enabled you will need to use the following registry entry instead:

REG_SZ: ReadjustMultihomedAddresses
Value: NO

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