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Off topic | ERROR: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)

May 7, 2013 3 comments

Today while setting up the DEV Environment as part of Windows Server 2012 & SQL Server 2012 upgrade I faced this error.

I was installing an MSI from one system via a client (MSI deployment tool) to another remote system (on same domain) and was getting this error:

The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)

I checked on internet all possible options to resolve this error, which were:

1. “Remote Procedure Call (RPC)” service should be running on the remote computer.
2. “Windows Management Instrumentation” service should be running on the remote computer.
3. “TCP/IP NetBIOS Helper” service should be running on the remote computer.
4. “DCOM Server Process Launcher” service should be running.
5. File and printer sharing should be enabled, on LAN properties.

I checked all the above options and lot of other suggestions available on internet forums and they were all set correctly.

–> Finally my colleague suggested me to check the “Group Policy Object Editor”, and check the firewall properties “Remote Administration Exception” and “File and Printer Sharing Exception”. And yes he was right, they were not enabled.

So to enable the properties you have to go to “Group Policy Object Editor” by executing gpedit.msc command. A winodw will open, goto: Computer Configuration -> Administrative Templates -> Network -> Network Connections -> Windows Firewall -> Domain Profile:

Here, enable the following properties:
– Allow inbound remote administration exception
– Allow inbound file and printer sharing exception

RPC_gpedit.msc

And when I enabled these two, the MSI deployed successfully without any error!!!

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