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26462

April 19th, 2013 12:00

OpenManage Essentials and Network Discovery for Windows Server 2008

According to the Dell OpenManage documentation, the Network Discovery" needs to be enabled in order to achieve successful discovery. Is there any way around this? I would prefer to not enable network discovery on our servers as I see it as a slight security risk. Any suggestions would be appreciated.

Thanks.

327 Posts

April 19th, 2013 14:00

What are server models to be managed using OME ?

What are they key features of interest in OME (Ex: Hardware Inventory, hardware monitoring, pushing BIOS, firmware and driver updates) ?

Enabling Network discovery in Windows 2008 is required for managing 11G servers and earlier. 12G servers can be managed via iDRAC 7.

Thanks,

Raj Shresta

9 Posts

April 22nd, 2013 11:00

It's a variety of server models, only one of which is R720 12G, but a good number of 2900's and R510 and R610 series.

Basically hardware inventory and hardware inventory are the two features we are looking for.

I see, thanks. Honestly it's kind of disappointing to know that network discovery needs to be enabled, as that will be the "deal breaker" for us when it comes to using OME. But we'll probably use it for our 12G servers and our virtualized ones. Thanks.

9 Posts

April 22nd, 2013 12:00

One more question I had: Is the communication between Dell OpenManage Essentials and the servers or clients encrypted? Or is it in "plain text"?

9 Posts

April 22nd, 2013 13:00

Got it, thank you Rob. Appreciate the help. So basically if I use WS-MAN authentication, the communication between the OME box and the ESX would be encrypted as well, correct?

3 Apprentice

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2.8K Posts

April 22nd, 2013 13:00

Hi there,

Everything is encrypted.  Though note that SNMP v1/v2 is used for some traffic on the monitored devices.  But the app uses SSL.

Thanks,

Rob

3 Apprentice

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2.8K Posts

April 22nd, 2013 15:00

Yes.

You can make sure he checks the secure mode option in the discovery wizard. WS-MAN will then use encrypted channel.

Regards,

Rob

9 Posts

April 22nd, 2013 16:00

Great, thanks!

9 Posts

April 23rd, 2013 16:00

Another question: what's the recommended way to have OME communicate with 12G and pre 12G servers that are ESX 5.x hosts? We currently don't have iDRAC enabled on any of the servers, but I am assuming we can also install the ESX VIB and have them communicate with OME?

Thanks again for your help.

3 Apprentice

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2.8K Posts

April 23rd, 2013 17:00

Hi there,

Have a look at the whitepapers on www.delltechcenter.com/ome and  see if they might help.

Perhaps this one:

en.community.dell.com/.../20229206.aspx

Thanks much,

Rob

4 Posts

July 11th, 2018 12:00

Can Network Discovery be disabled after the initial discover/inventory has been successfully run and the Server has shown up correctly in the console?  Or does it have to be on in perpetuity?

2 Intern

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685 Posts

July 16th, 2018 06:00

Hi,

You can disable scheduled network discovery using Manage -> Discovery and Inventory -> Discovery Schedule wizard. Uncheck Enable Discovery option and hit Ok.

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