Duplicate software inventory records ....

Question

I am getting duplicate software inventory records for the same machine in the MAP 9.0 database. I was under the understanding that once a machine was successfully scanned, additional inventory records
for that machine would not be added during subsequent scans.
After 4+ scans, we are seeing the same software title show up multiple times on the same machine.  For example, using
the product name of Microsoft Office Professional Plus 2010 as an example, I get a count of 405.  But there is only about 250 unique computer names with this product.  Some machines are listed twice, some triple, some quadruple just for this one
product (even if the ProductVersion is identical). We did 4 scans of the network in order to capture all machines, including any that hadn’t been inventoried.  So I’m not sure why it captured some machines more than once and others only the one time.

Answer 1

Question: just to confirm, the de-duplication process (for generating standard pre-built reports/worksheets) in MAP 9.0 will NOT remove machines with different hashes, correct?
Correct
Question: does the issue you raise have anything to do with doing an AD only scan then an IP one (or the reverse) or would just a combined one (AD and IP) also lead to similar issues?
If you use one discovery method on the first inventory scan, then use a different discovery method that does not include the host name, such as IP address, on a subsequent run, it is possible that you will see duplicate results, although I've found it to
be less likely.
Question: Is any inventory data populated in MAP 9.0 for a machine that does not "successfully" complete its scan?
If you use the AD DS discovery method, then MAP will populate some information, such as OS, from fields in the AD object properties.
Question:
>> I need to point out that any device with a WMI status of anything
>> other than success cannot be de-duplicated, so it will show up regardless.
Can you be more specific.  Where will it show up? (i.e. in which MAP reports)?
The Inventory Results report has a list of all host names discovered. If IP discovery was used, then any IP address that had something connected to that IP but MAP was unable to establish a connection to will show up with the IP address for the computer
name in that report as well. There are several other reports throughout the tool that display machines for which MAP failed to connect, but the Inventory Results report is what I was referring to specifically.
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