unable to join domain using virtualbox

Posted by FreshPrinceOfSO on Server Fault See other posts from Server Fault or by FreshPrinceOfSO
Published on 2013-10-28T19:01:37Z Indexed on 2013/10/28 21:56 UTC
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I'm in the process of setting up a VM environment for a MS certification exam (70-462). Following the training kit's instructions, I've set up a domain controller (DC) and two members (SQL-A, SQL-B) thus far. I can't figure out why I can't join the domain.

DC

IPv4 Address . . . : 10.10.10.10(Preferred)
Subnet Mask. . . . : 255.0.0.0
DNS Servers. . . . : ::1
                     127.0.0.1

SQL-A

IPv4 Address . . . : 10.10.10.20(Preferred)
Subnet Mask. . . . : 255.0.0.0
DNS Servers. . . . : 10.10.10.10

SQL-B

IPv4 Address . . . : 10.10.10.30(Preferred)
Subnet Mask. . . . : 255.0.0.0
DNS Servers. . . . : 10.10.10.10

I've read how to do networking between virtual machines in virtualbox and the documentation.

After trying various network adapter configurations, I can't get them to communicate in order to have the two members join the domain.

When I ping from .30 to .10, I get:

> ping 10.10.10.10

Pinging 10.10.10.10 with 32 bytes of data:
Reply from 10.10.10.20: Destination host unreachable.
Reply from 10.10.10.20: Destination host unreachable.
Reply from 10.10.10.20: Destination host unreachable.
Reply from 10.10.10.20: Destination host unreachable.

Trying to join the domain:

> netdom join SQL-A /domain:contso.com

The specified domain either does not exist or could not be contacted.

The command failed to complete successfully.

Within VirtualBox, I've tried the following combinations for network adapter:

Attached to - Promiscuous Mode
-------------------------------
NAT
Bridged Adapter - Deny
Bridged Adapter - Allow VMs
Bridged Adapter - Allow All
Internal Network - Deny
Internal Network - Allow VMs
Internal Network - Allow All
Host-only Adapter - Deny
Host-only Adapter - Allow VMs
Host-only Adapter - Allow All

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