Encryption

In the olddomain.com;

objectSID: S-1-5-21-227018303-3265311450-382577

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sIDHistory: {None}

In the newdomain.com;

objectSID: S-1-5-21-3846632479-19853633304-4016520

sIDHistory: S-1-5-21-227018303-3265311450-382577 (Note: objectSID migrated from olddomain.com)

Disabling SID Filtering

Now we know where to do it, we just need to construct the command to disable it. Run the following command;

netdom trust {source-domain} /domain:{target-domain} /quarantine:No userro:{username} password:{password}

Or for a Forest Trust

netdom trust {source-domain} /domain:{target-domain} /enablesidhistory:Yes /userD:{username} /passwordD:{password}

So in my example;

ADMT: Setting up a Password Export Server

As the name implies, this is a piece of software that runs on the source domain, (on a domain controller,) that ADMT uses to migrate user passwords. Before you can do this, you need to create a ‘key’ in the NEW domain, (where ADMT is running). Then, you use that key to setup the password export server in the OLD domain.

Admt Unable To Generate Encryption Keyboard

On the ADMT Server open an administrative command window and issue the following command;

admt key /option:create /sourcedomain:{source-domain} /keyfile:”C:PES.pes” /keypassword:{password}

So in my example;

If it runs OK, find your keyfile, then copy this to the domain controller in the old domain you are going to install the password export server service on.

Theres two versions of the password export server software, (a 32 bit and a 64 bit version.) Download and install the version applicable to your source domain controller.

Note: The install requires a reboot of the server, you might want to do this at the end of the day.

The install is pretty simple, Accept the EULA, browse to the keyfile, and enter the password you used above.

Specify a user account to run the service as, (I just use the ADMTAdmin account we’ve already created).

The steps are enumerated beneath:. https://moodtree581.weebly.com/windows-7-key-code-generator.html.

Finish the install, and let it reboot.

After a reboot, if you look in the services (Start > Run > services.msc). You will see the ‘Password Export Server Service’.

Note: You will also notice the startup type for the service is ‘Manual’. ONLY start this service, when you are actually migrating passwords.

ADMT: Granting Local Rights to ADMT user in the Source Domain.

To migrate machines, the ADMTAdmin user needs “Local” administrative access on all the source machines. The easiest way to do this is via group policy, using ‘Restricted Groups’. This allows you to take a group (or user) and put put them on the local groups (including administrators) of the targeted machines.

In the OLD domain, create a group and put the ADMTAdmin from the target domain in it. (I put the domain admin from the target domain in it as well, to be on the safe side, but that’s up to you).

Note: You may see this a few times while doing migrations, notice above the user icon there’s a small red curved arrow (below), that logo denotes ‘Foreign Security Principle’, it’s not really our user at all, it’s a special object that AD creates in a hidden OU, (turn on advanced mode in AD users and computers you can see them.)

Create a new GPO that will apply to the computers/servers you are going to migrate.

Edit it.

Navigate to;

Computer Configuration > Policies >Windows Settings > Security Settings > Restricted Groups

Add a new one, select the group you have just created > and add it to ‘Administrators’.

It should look like this when you are finished.

To test it has applied, on a client run ‘gpresult -R’ at an administrative command prompt.

You can of course, simply check the local administrators group to make sure the new group is in there.

ADMT: Additional GPO Note

To perform computer migrations, (and security translations), ADMT needs to deploy an ‘agent’ to the machines in the OLD domain. The local firewall (if enabled) can stop this, I simply disable the local firewall. (If someone wants to send me a list of ports to add, to make it work I’ll publish the). But even the Microsoft Documentation on Technet says disable the firewall.

Admt Unable To Generate Encryption Key In Windows 10

Create a new GPO linked to where your source computers are, (here I’m just linking to the root of the domain).

Edit the GPO.

Navigate to;

Computer Configuration >Policies > Administrative Templates > Network > Network Connections > Windows Firewall > Domain Profile

Locate “Windows Firewall protect all network connections‘ and set it to disabled.

In addition I have also seen the agent fail to deploy if the ‘Remote Registry Service’ is not running on the target machines, (it’s disabled by default). So I use this policy to turn that on as well.

In the same GPO navigate to;

Computer Configuration > Polices > Windows Settings > Security Settings > System Services

Locate the ‘Remote Registry’ service, and set it’s startup to automatic.

This may take a while to permeate down to all the machines, Windows – Forcing Domain Group Policy

In Part Three we will start migrating objects.

Related Articles, References, Credits, or External Links

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