更改计算机名后，软件在原计算机名的授权都失效了，所以一般按照软件后不要更改计算机名。
if your FT directory is in local computer, take a look of the following:
That is why installing FTView in anything except a
VM is an extremely bad idea.
Uninstall it completely. Then reboot. Then
go to Documents and Settings\All Users\Application Data\Rockwell\ and delete
everything in RNAAlarm, RNAClient, RNAServer, and RSLinx Enterprise. Reboot
again.
Now go ahead and reinstall from scratch, best if you do this in a
VM.
I'd try and be more helpful, but honestly, the most helpful advice I
could give is tell Rockwell to shove it, and go with WinCC or WonderWare, or
anything but FTView. It's trash, Rockwell knows it, and has spent a decade
fixing absolutely nothing about it.
xp系统 v20的
计算机开始--所有程序--Rockwell Software--FactoryTalk Tools--FactoryTalk Directory Configuration Wizard 打开这个配置向导
最下面的两个选项全部打对勾，点击下一步，这里的用户名随便输入个（反正都是无法通过）点下一步（会出现报错），关闭报错直接点取消
然后软件就正常打开了。
实验多次没有问题，可以试试，希望能帮到你们！！应该就是网络路径配置问题。本地登录没有问题。
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