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Changing IP Address Feedback

By rmartin ·
I am looking for feedback from anyone who has gone through an IP address change. We are changing our IP address scheme to a private address. I am running NT40 and have the following applications and Services:

PDC - DHCP/Pri WINS
BDC - Sec WINS/SMS/SQL

All NT Servers have static addresses and Client's use Dynamic.

How have client PC's reacted to the new DHCP Scope? Have you had to physically touch each machine and release/renew? What about WINS? Should I just kill the database andlet it rebuild?

I'm not expecting any problems. I would just like a "heads up" from anyone who's been through it

Thanks

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Changing IP Address Feedback

by DC1 In reply to Changing IP Address Feedb ...

I did this for a company and it was pretty seemless. As far as the WINS database they opted to start from scratch and that worked out pretty well for them.

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Changing IP Address Feedback

by rmartin In reply to Changing IP Address Feedb ...

Thanks for all the respones! We are doing this next weekend. Thanks for the SMS tip.

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Changing IP Address Feedback

by calves In reply to Changing IP Address Feedb ...

You'll need to delete all the entries on WINS. We deleted and re-entered all the NT machines on Server Manager. In some Win95 machines, we had to delete the *.pwl for some unkwon reason, but after that it worked fine.

Good luck!

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Changing IP Address Feedback

by rmartin In reply to Changing IP Address Feedb ...

Thanks for all the respones! We are doing this next weekend. Thanks for the SMS tip.

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Changing IP Address Feedback

by Viperian In reply to Changing IP Address Feedb ...

I did this for some big and some small companies. If the clients and the servers are on the same network cabling you should not get into trouble. But don't you have printers on the network with a static ip address? For the wins database, just kill it it is not useful to transport to the new numbers. Let it rebuild by clients loging on to the network with a new dhcp scope.
If you are using SMS you can get some odd errors on the sms database, because sms sees computers with names on other numbers, if the clients are NT, you can get a strange error telling that it can't load sms client, the solution is to reboot once again and the problem will be solved.

Other equipment what could have a ip number are switches, routers some hubs. Look toall the hardware attached to the network.

Good luck and get the job done. ;-)

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Changing IP Address Feedback

by rmartin In reply to Changing IP Address Feedb ...

Thanks for all the respones! We are doing this next weekend. Thanks for the SMS tip.

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Changing IP Address Feedback

by termiNaTor In reply to Changing IP Address Feedb ...

I would do it over the weekend, but is should pretty smooth

Reconfigure DHCP, Wins (new database)
Just change your printers, routers, ...everything has an static IP address

SMS will complain a bit but, if your PCs are rebooted a few times it will aknowledge the changes

You could run a sript to make ipconfig /release and /renew on the clients

Good luck

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Changing IP Address Feedback

by rmartin In reply to Changing IP Address Feedb ...

Thanks for all the respones! We are doing this next weekend. Thanks for the SMS tip.

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Changing IP Address Feedback

by curlergirl In reply to Changing IP Address Feedb ...

Basically to make it as seamless as possible, you need to release all addresses on clients first. My way: do this over a weekend and have your users (if they're up to it) or you/your staff go to each WS before shutting down for the weekend and release the IP addresses, then shut down. Then change your server IPs first, then your other static IPs, then set your new DHCP scope (don't forget to disable the old one!), kill the WINS database (just delete it and let it rebuild), then when your clients are turned back on they will get a new IP address and re-register w/WINS. No sweat!

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Changing IP Address Feedback

by rmartin In reply to Changing IP Address Feedb ...

Thanks for all the respones! We are doing this next weekend. Thanks for the SMS tip.

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