On 27.7.2016 19:29, Rakesh Rajasekharan wrote:
> Hi,
> I am running ipa server 4.2 and set it up without using "--setup-dns=no".
> On few clients the installation fails with the below error message.
> I verified that the ipa master dns is resolvable. Not sure what could be
> wrong here..
> Joining realm failed: libcurl failed to execute the HTTP POST transaction,
> explaining:  Could not resolve host: ipa-master-in.xyz.com; Unknown error
> Use ipa-getkeytab to obtain a host principal for this server.
> Please make sure the following ports are opened in the firewall settings:
>      TCP: 80, 88, 389
>      UDP: 88 (at least one of TCP/UDP ports 88 has to be open)
> Also note that following ports are necessary for ipa-client working
> properly after enrollment:
>      TCP: 464
>      UDP: 464, 123 (if NTP enabled)
> Failed to obtain host TGT: (-1765328203, 'Key table entry not found')
> Installation failed. Force set so not rolling back changes.
> I tried removeing /etc/ipa/ca.crt and delete any older certificates
> "certutil -D -n 'IPA CA' -d /etc/pki/nssdb"
> However, no luck yet..
> any suggestions on how can I debug this..

I would start with command:
$ dig ipa-master-in.xyz.com

It should print IPv4 address of the server ipa-master-in.xyz.com . If it does
not print it there is a problem with DNS. In that case usual DNS debugging
guides apply.

I hope it helps.

Petr^2 Spacek

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