When you preview a computer, you'll be able to see the following information:

• Management groups associated with the computer
• Products installed on the computer along with their usage statistics
• Migration rule statuses:
  • No rule – if a rule has not been set up
  • Retain, Replace, Upgrade rules – if  they are set up 
  • Conflict – if there are conflicting rules for that particular product.
• Excluded applications on the computer
• Applications on the computer which have not been normalized.

To get a post-migration preview of an existing computer:

1. Under the Preview Device menu click Existing Device .
2. Choose the type of deployment you want - Wipe and Load or In-place upgrade.
3. In both Domain Name and  Device Name  fields, start typing a name and a list matching your string is dynamically displayed for you to choose from.

Behavior of the post-migration preview screen and table

In our example, we are going to preview the Wipe and load post-migration application state for ACME-WIN1001 which is in the ACME.local domain.

When we selected ACME-WIN1001 as Device Name, the Global, Devices, Workstations, Executive and Finance Management Groups are identified. ACME-WIN1001 is member of all these Management groups. If a computer is a member of more than one Management Group, they will be identified under the Management groups heading. Below this heading, is the details table which is made up of three tabs:

• Normalized
• Exclusions
• Non-Normalized.

Normalized

The Normalized tab displays a list of applications installed on ACME-WIN1001 which have a corresponding item in the 1E Catalog. The table in this tab displays a preview of the post-OS application migration state for a Wipe and load deployment. For each application in the table, you will be able to identify:

• Rules associated with it under the Rules column. 
• Usage statistics
• Details about the application in the Vendor, Title, Version, Colloquial Version and Edition columns
• Options to Add Rule, Manage Rules or Resolve conflicts.

If we had chosen to preview the In-place upgrade post-migration application state for ACME-WIN1001 notice the following changes where an application is:

• Subject to a Retain rule for the Wipe and load deployment, (In the example shown this is XML Notepad, the second row from the bottom) the rule is ignored and the application is not installed for the In-place upgrade as all installed applications are retained anyway during an in-place upgrade. 
• Not subject to a rule (No rule) for the Wipe and load deployment, it is retained (last row) for the In-place deployment as all installed applications are retained anyway during an in-place upgrade. 

Exclusions

The Exclusions tab displays all excluded products for the computer ACME-WIN1001.

The list of products in 1E Catalog is quite substantial and contains items such as security updates, service packs, hotfixes, drivers, etc which are not useful if you are compiling application migration rules. There may also be applications that you do not use in your organization, for example Cisco Jabber has no value to you if you are committed to Skype for Business as your instant messenger.

Please refer to Managing product exclusions for more details.

Non-normalized

The Non–normalized tab displays all unmatched source applications for ACME-WIN1001. You can add an item from this list to the Catalog by selecting it and clicking Normalize.

Normalization is a Platform function that refers to the process of finding (or not finding) a match rule in 1E Catalog, then deduplicating and rationalizing the information using Platform logic, and publishing the information on the 1E Catalog UI. Partial Matching for example does not have a match rule in 1E Catalog but it’s still normalized and published on the UI using Platform logic.

To preview applications to be installed on new-build computers:

1. Under the Preview Device menu click New Device .
2. Click New Device.

You can view the new computer two ways:

• By management groups
• By device attributes.

By management groups

1. On the New Device screen, select By management groups.
2. In Management Group start typing the name of a Management Group. A list matching your search string is displayed for you to choose from. 
3. The table shows applications that will be installed on new builds complying with the rules assigned to that Management Group and the Role-based Application Sets you create and associate with it. 

You can choose more than one Management Group to preview. If the list of applications is incorrect, you can update the Role-Based Application Set you created and run the preview again.

You can also add and manage Application Migration rules from this view for any of the listed applications by clicking Add Rule.

By device attributes

1. On the New Device screen select By device attributes.
2. You only need to know the details of any one of the three attributes to retrieve the list of applications for installation on new builds:
   1. Device Name
   2. Active Directory Site
   3. Organizational Unit.

For example:

1. We created the Finance Management group with the following rules:
   
   • Device name contains acme
   • Active Directory Site name is acme.local
   • Organizational Unit is finance.
2. On the Preview Machine screen, we start typing the name of a computer, the AD site or the OU. In our illustration, we have populated the computer attribute fields with the values from the rule we created for the Finance Management group.
3. The table shows applications that will be installed on new builds complying with the rules assigned to that Management Group and the Role-based Application Sets you create and associate with it. 

For more information about Management groups and how to use them, please refer to Tachyon Platform 5.2 - Management groups.