Hi,
I missed this post completly, here is log message that I see
01/08/2013 11:54:19:1:2032: Process Jobs: Running Task 'Discover' from Job 'Manual - Run Discover Task'
01/08/2013 11:54:19:1:352: Discover: Start as Job Task ID=32
01/08/2013 11:54:19:3:352: CoreJobTasks.Find: Record found (32)
01/08/2013 11:54:19:2:352: Discover.DiscDNSSys: Started as Job Task ID=32
01/08/2013 11:54:19:2:352: Discover.DiscDNSSys: No domains found to discover systems.
Follow this steps add domain
Manually Adding Domains
If the client environment has domains that you want to include but they are not added to the list of objects in
the Navigation pane during the discovery process, you can add them manually one at a time.
To manually add a domain
1 In the Navigation pane, select the Groups branch under All Objects.
2 Right-click and choose Add Group.
3 Enter the name of the domain.
4 Enter the description of the domain.
5 Select the type of the domain.
6 Click Add.
The Data Manager adds a new group for this domain in two places:
„ The Groups branch
„ The specific domain branch; for example, if the domain is a Microsoft LAN Manager domain, the
Microsoft LAN Manager branch also shows the new domain
To add systems to the new domain, see “Adding Existing Systems to a Group” on page 76.
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Second option
To discover systems within an IP address range
To limit the discovery to an IP address range, modify the options for the task so that it includes the IP address
range in its search for systems.
1 From the Data Manager menu bar, choose Admin > Options.
2 Select the Modules tab.
3 Double-click the Discover module.
4 Click the IP Subnets tab.
5 Under the IP Subnet Ranges box, click Add to define an IP subnet to be scanned by the Discover module.
6 Specify the necessary data in the Add Subnet dialog box.
7 Click Add. VMware, Inc. 75
Chapter 7 Discovery with the Data Collector
The newly added subnet appears in the IP Subnet Ranges area of the screen.
8 Click OK.
If the discovery task is run again, it now includes systems that are contained in the defined IP subnet range.
Start refer from page number 71
https://optimize.vmware.com/support/CP-DataCollectionGD.pdf
Regards
Mohammed