Microsoft KB Archive/179017

= How to Migrate an Existing SNA Server to a New Hardware Platform =

Article ID: 179017

Article Last Modified on 6/24/2004

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APPLIES TO


 * Microsoft SNA Server 3.0
 * Microsoft SNA Server 2.11 Service Pack 1
 * Microsoft SNA Server 2.11 Service Pack 2
 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 3.0 Service Pack 2
 * Microsoft SNA Server 3.0 Service Pack 3
 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 4.0 Service Pack 1
 * Microsoft SNA Server 4.0 Service Pack 2
 * Microsoft SNA Server 4.0 Service Pack 3
 * Microsoft SNA Server 4.0 Service Pack 4
 * Microsoft Host Integration Server 2000 Standard Edition
 * Microsoft Host Integration Server 2000 Service Pack 1

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This article was previously published under Q179017



SUMMARY
There may be occasions where it will be necessary to migrate your existing SNA Server configuration to a new computer, or to restore to an existing computer in the event it is rebuilt due to a hardware failure.



MORE INFORMATION
IMPORTANT: It is VERY IMPORTANT to keep a backup copy of your SNA configuration file in a place where it will be unaffected by a hardware failure and in a place where it will not be accidentally deleted. Update the configuration EVERY time a modification is made. Without a valid current backup, complete restoration of the existing configuration is impossible. For additional information about how to back up and restore the configuration file, click the following article number to view the article in the Microsoft Knowledge Base:

112636 Backup and Restore of COM.CFG

This scenario assumes that the SNA Subdomain consists of only a single SNA server and that it is properly configured as the Primary Configuration Server. This procedure would be used in the event of a computer replacement or a complete rebuild of an existing computer following a fatal hardware problem.
 * 1) Verify that you have a valid backup of your configuration file.
 * 2) Use the Snacfg.exe utility to have a text copy printed to be used in steps 5 and 7.
 * 3) Remove server from the network physically by shutting the computer off. Then remove the server's machine account in the Windows NT Domain using Server manager.
 * 4) Install Windows NT Server along with current Service Pack levels. Add the computer to the Windows NT domain with the same machine name as the original. Also verify that the same LAN transport protocols are installed. If using TCP/IP, make sure that the proper IP address is assigned.
 * 5) Install SNA Server. Make sure that proper Link Services are installed. These would normally be the same Link Services that were installed previously unless the server to host physical connection has been changed. For example, a Token Ring card was replaced by Ethernet.
 * 6) Restore the SNA Configuration from backup file.
 * 7) Make sure that connections are configured with the proper Link Service.
 * 8) After verifying proper operation, update SNA Server to the Service Pack level that was installed previously, or to the latest Service Pack if a newer one is available.
 * 9) Backup configuration file in a place where it would be unaffected by a harware failure and in a place where it will not be accidentally deleted.

Additional query words: snafaq HIS 2000

Keywords: kbhowto kbinfo KB179017

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