Running DMC

Where to run DMC

DMC must be run from on a Windows-based VM with:

  • Network access to vCenter and associated ESXi hosts.
  • Sufficient storage (Minimum 20GB free space for collected data)
  • For more details see the System and Access Requirements section

Downloading and running the DMC Package

  1. A secure download link will be supplied via email.
  2. Extract the package to a designated directory e.g.C:\DMC

How to Unblock a Downloaded .exe File

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When an executable is downloaded, Windows natively will block running of the exe.
  1. Right-click the .exe file you downloaded.
  2. Select Properties from the context menu.
  3. Under the General tab, look at the bottom for a section called Security.
  4. If you see a checkbox or button labeled Unblock, tick it or click it.
  5. Click Apply, then OK.

Run DMC

Launch DMC

Launch DMC.exe from your installation directory

Follow Instructions

Follow the on-screen prompts to complete the setup.

Prepare Scan

⚠️
  • DMC is specifically designed to allow a customer Administrator to securely utilise their admin credentials for a one-time operation.
  • All credentials are stored in memory only and never persist beyond execution.
  • Credentials requirements are tailored for one-time use, allowing administrators to securely employ their personal credentials.

Add vCenter Details

Begin by adding one or more vCenters that you wish to target for scanning.

Select Add vCenter button

Enter vCenter Credentials

Enter the vCenter Host and associated Username and Password with sufficient permission to perform the scan.

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See System & Access Requirements for more information on specific permissions required
DMC interface showing the Add vCenter button and form for entering vCenter connection details including host, username, and password fields

Initial vCenter connection screen

Click Next after you have added all target vCenters.

Add Guest Credentials

Now add credentials that will be used to connect to both Windows and Linux servers.

ℹ️
See System & Access Requirements for more information on specific permissions required

Select Add Windows / Add Linux buttons.

Enter the Username and Password with sufficient permission to collect guest metrics.

DMC interface showing the Add Windows and Add Linux credential buttons, along with forms for entering guest operating system credentials

Validate Guest Credentials

Click Next. DMC will validate the entered credentials on a subset of your servers. Any invalid credentials are flagged.

DMC credential validation screen showing the status of Windows and Linux credential verification across servers

Click Continue after you validation completes.

Settings

Customize scan settings as required.

Configure Settings

Setting Description
Output Path Directory where scan results and logs are saved
Max Concurrent Servers Number of servers discovered at the same time
Max CPU Utilization Skips discovery if a server’s CPU usage is above this threshold at the time of scanning. The average CPU spike is 2% when running DMC.
DMC settings configuration screen with options for output path, concurrent server limit, and CPU utilization threshold

Continue to Scan

Click Next to proceed to the scan phase.

Scan

Review Servers

Review the servers targeted for scanning. You can click on a vCentre and untick any server that you do not want to include in the scan. This method is useful if you wish to conduct a test scan initially.

DMC scan preparation screen showing the list of discovered servers with checkboxes for selection and the Run Scan button

Start Scan

Once you are satisfied with the selected scope, click Run Scan.

Monitor Progress

The scan’s overall progress will be updated in real time, accompanied by a Console Output that displays detailed logging information.

Each server typically requires around 45 seconds for scanning. However, the total duration of the overall scan may vary based on the Max Concurrent Servers setting established in the previous step.
DMC scan progress screen showing completion status and console output with detailed logging information

Save Results

Once the Scan has completed:

Click the Save and Encrypt Scan Results button It is very important that you record the ZIP Password and decryption key. For security reasons, you cannot recover them once DMC closes and will need to rerun the scan.

ZIP Password – encrypts the scan results ZIP (used for unzipping on any machine)
Decryption Key – used in the next step to decrypt the scan results when uploading to Dr Migrate

DMC scan results screen displaying the encryption details including ZIP password and decryption key fields