Inventory Management - Knowledge Base

Failure to scan inventory manually

Problem

You try to do a Manual Inventory scanning. But it fails and displays one of the following errors:

• Access Denied
• Scanning Timed Out

Cause

Manual Inventory Scanning will fail due to one or more of the following reasons:

• Access gets denied due to:
1. Admin Domain Credential mismatch.
2. DCOM settings are disabled
3. The forceguest Feature is turned on


• Scanning Timed Out error occurs because:
1. Firewall on machine running Desktop Central Server blocks data.
2. Scanning fails for computers running in remote offices.
3. Machine running Desktop Central Server has multiple IP Addresses.

Resolution

Follow the instructions relevant to the error message you got during Manual Inventory Scanning:

1. Domain Administrator Credentials: Check whether the Domain Administrator credentials supplied while defining the Scope of Management is still valid and has not been changed.


2. Enable DCOM settings in all managed computers: To configure the Firewall and to install the agent, download and run the script as given below:
1. Download the DesktopCentralAgent.msi by clicking the Download Agent link in the Scope of Management page of the Desktop Central client. Save the msi file in the network share, for example, \\MyServer\MyShare\DesktopCentralAgent.msi.
2. Download the script WMIPortSetup.txt.
3. Rename it to WMIPortSetup.vbs
4. Run the script in all the client computers from the command prompt: CSCRIPT WMIPortSetup.vbs \\MyServer\MyShare\DesktopCentralAgent.msi

Running the above script will open the following ports in the client computers and installs the Desktop Central Agent:

• TCP port 135
• TCP port 445
• TCP port 5000
• TCP port 5001
• TCP port 5002

To run the script in multiple computers, you can either use the PsExec utility or add this script as a startup script in the GPO of Active Directory.

For Remote Desktop Sharing to work, in addition to running the above script, you need to ensure that the firewall allows to establish remote network connection.

Turn Off the forceguest Feature: If client computers is in a workgroup (not part of a Windows Domain), the Forced Guest feature should be turned off. Make the following change in all the client computers:

• Start --> Run--> explorer
• Select Tools --> Folder Options
• Select the View tab.
• Unselect the option "Use simple file sharing" and click OK
  

Scanning Timed Out

1. Unblock Firewall Port: Ensure that the Desktop Central Port (default is 8020) is added to the exceptions list.


2. Ensure Desktop Central runs on remote computers: If the scanning has failed for computers in remote offices, check whether the system is up when the scanning is performed and ensure the service "ManageEngine Desktop Central 6 - Remote Control" is running in the client computers.


3. Eliminate issues due to multiple IP Address: When the machine running Desktop Central has multiple IP Addresses, like a Virtual Adapter, two NICs, etc, disable the virtual Adapters, if any.

Applies to: Software Inventory Tracking, Hardware Inventory Tracking, Asset Management

Keywords: Track Software Inventory, Monitor Hardware Assets, Manual Scanning, Asset Scan, Inventory Reports

	Did this resolve your issue?  Seek assistance from our Experts.

Inventory Management - Knowledge Base