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MWB Management Console Client Push Install The RPC server is unavailable

ThatOneGirl
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ThatOneGirl

ThatOneGirl

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I use the Malwarebytes Management Console. Trying to install Endpoint Security anti-malware and anti-exploit via Client Push Install on 7 new computers that are Windows 10 Professional 64 bit. The error I receive is "the RPC server is unavailable. Please allow WMI through Windows Firewall."

I have indeed already allowed WMI through Windows Firewall. I've installed 20 other machines.

Ideas? I need to get these installed asap.

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gonzo

gonzo

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Have you checked the Admin Guide yet?  There are three ports that must be opened, one of which is the RPC Endpoint Mapper. A second one is for SMB file transfers that are tested during simulation and used during install.  You also need to check LOCAL admin permissions on the endpoint to make sure you have authority to do what you need to do,  Although you said you have installed on 20 other machine, you did not mention whether any/all were Windows 10 Professional endpoints.  That info may help troubleshooting efforts.  Also check your services on the affected endpoints to make sure that the RPC Service is running.  I always have questions about the state of a machine after Windows updates, so I would check to see if that may come into play as well.

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ThatOneGirl

ThatOneGirl

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Good point! When I installed 20 workstations, they were all Windows 7 Professional. 

If you could please send me current lints to the Admin Guide, the ports information I need to re-check to make sure are open on the server, ports needed open on the workstations, Services that I need Started. 

I appreciate it in advance...

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gonzo

gonzo

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Here is a link to the guide...

https://www.malwarebytes.com/pdf/guides/MBMCGuide.pdf?d=2018-12-20-14-18-38--0800

The first 6 pages (following the Table of Contents will get you started with the stuff I told you about.  I don't know if you are aware, but all of our guides are publicly available.  A link to the guides page on our website is:

https://www.malwarebytes.com/support/guides/

As far as services go, fire up Task Manager on one of the endpoints and go to the SERVICES tab.  Check out the status of all services that start with the letter R...you'll know the relevant ones when you see them.  Start with the instructions in the Admin Guide though.

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ThatOneGirl

ThatOneGirl

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1 hour ago, gonzo said:

Have you checked the Admin Guide yet?  There are three ports that must be opened, one of which is the RPC Endpoint Mapper. A second one is for SMB file transfers that are tested during simulation and used during install.  You also need to check LOCAL admin permissions on the endpoint to make sure you have authority to do what you need to do,  Although you said you have installed on 20 other machine, you did not mention whether any/all were Windows 10 Professional endpoints.  That info may help troubleshooting efforts.  Also check your services on the affected endpoints to make sure that the RPC Service is running.  I always have questions about the state of a machine after Windows updates, so I would check to see if that may come into play as well.

Ports 135, 137, 445 are indeed open and WMI & PRC are enabled/open -- all on the server, router and the Windows 10 Pro workstations.

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gonzo

gonzo

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I checked in with Support and was told someone has/is/will be reaching out to you shortly.  Have you seen the following excerpt (from page 6 of the Best Practices Guide)?

Managed Client Installation with WMI

Depending on permissions settings on a target endpoint, you may encounter the following error message during a push install.

RPC server is unavailable. Please allow WMI through Windows Firewall.

If this occurs, open a command line window on the endpoint (as an administrator) and enter the following command:

netsh firewall set service RemoteAdmin enable

Installation should be able to continue as planned.

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