How to Fix “The RPC Server is unavailable“ Error in Windows 10?

How to Fix “The RPC Server is unavailable“ Error in Windows 10?

Folks, “The RPC server is unavailable” seems like your error? If you are reading this article then most likely you are facing the “RPC server is unavailable” error on your Windows 10. You are not alone to encounter this error. So many Windows users are facing this error. Need not worry. This is a common error in Windows. In this guide, I will walk you through the steps to fix this error. nothing to worry about it with few simple steps you can fix the error.

What is RPC Server?

RPC stands for Remote Procedure Call. All the applications running on the same computer use this method to communicate with each other. RPC allows various processes to interface with one another in a hierarchy to achieve the tasks.

It works similarly to networking also. RPC server will open a port and seek a response from the destination service or server to communicate. Once it receives a response from that server it will set up a call by sending a packet and then transfer the required data to that server. Once it is done the same process operates in the reverse order and sends the data back in order to complete the communication.

What does the “RPC Server is Unavailable” error mean?

As we have already discussed that the RPC server plays an important role in channelizing a proper pathway between a client and a server on a network or on a local machine such as printers and scanners. Technically speaking it creates a networking system of its own.

What does the "RPC Server is Unavailable" error mean?

In the RPC, a procedure call needs to be initiated from the client’s end and then it will be sent to the server in encrypted mode. At the server, this call is decrypted and a response is sent back to the client. So we can say that any process involved in the data sharing has to use RPC technology.

If you are a Windows user then during this process, it is quite common for you to encounter a malfunction while building a communication then “The RPC server is unavailable” error shows up on the screen.

Why ”The RPC Server is Unavailable” error appear?

  • Name Resolution Issues- If an RPC server’s name is charted to an incorrect IP address, then it results in the client contacting the incorrect server and can probably result in the RPC error.
  • Add-On Services Running in Background got Corrupted- To run the RPC server it requires few add-on services running in the background but currently if you are facing the “The RPC server is unavailable” on Windows 10 then it might be possible that files running in the background are corrupted.
  • Corrupted Registry Files- Corrupted registry files are also a cause of this error. In order to fix this error, you should check and repair registry items Windows 10.
  • File and Printer Sharing Service-Disabled- It is also possible that the file and printer sharing has been disabled or.
  • Network connectivity Issue- Network connectivity issues might have encountered in running the system.
  • Windows Firewall- If the Windows firewall blocks the traffic it is possible that the error “The RPC server is unavailable” Windows 10 may show up.

How to Fix ”The RPC Server is Unavailable” error in Windows 10?

How to Fix “The RPC Server is unavailable“ Error in Windows 10?

Fortunately, it is possible to eliminate all these issues in just a few simple steps. Device tricks experts have listed down below the detailed troubleshooting methods which will help in fixing the error:

Verify the RPC services

  • Press Windows+R keys altogether to open the Run program and type services.msc and hit Enter button.

Press Windows+R keys altogether to open the Run program and type services.msc and hit Enter button.

  • Search for DCOM Server process launcher in the service Window and check the statuses is set to Running and startup set to Automatic.

Search for DCOM Server process launcher in the service Window and check the statuses is set to Running and startup set to Automatic.

  • Select Remote Procedure Call (RPC) in the next tab and check the same.

Select Remote Procedure Call (RPC) in the next tab and check the same.

  • Now select RPC Endpoint Mapper and check the same. 

Now select RPC Endpoint Mapper and check the same. 

  • Check each one of their statuses is set to Running and startup set to Automatic.

Check the Windows Firewall Settings

  • In Start Window search for Firewall and open Windows Defender Firewall.

In Start Window search for Firewall and open Windows Defender Firewall.

  • In the Windows Firewall window click on Allow an App or feature through Windows Defender Firewall option shown in the left pane.

In the Windows Firewall window click on Allow an App or feature through Windows Defender Firewall option shown in the left pane.

  • In the shown list search for Remote Assistance and ensure that it is marked checked. If it is not marked checked to click on Change settings and do the necessary changes. Press OK to save the changes.

In the shown list search for Remote Assistance and ensure that it is marked checked. If it is not marked checked to click on Change settings and do the necessary changes. Press OK to save the changes.

Verify the Network Connections

  • To check the network connections open Run program and type ncpa.cpl and press OK.

To check the network connections open Run program and type ncpa.cpl and press OK.

  • In the window shown on the display right-click on the Network connection in use and select Properties from the menu.

In the window shown on the display right-click on the Network connection in use and select Properties from the menu.

  • Ensure that the File and Printer Sharing for Microsoft Networks and Internet Protocol Version 6 (TCP/IPv6) option is marked as checked. If not do it manually by clicking on the checkboxes.

Ensure that the File and Printer Sharing for Microsoft Networks and Internet Protocol Version 6 (TCP/IPv6) option is marked as checked. If not do it manually by clicking on the checkboxes.

Modify the Windows Registry Values

  • Log in to your system as an Administrator.

Log in to your system as an Administrator.

  • Open the Run program and type regedit and click Enter.

Open the Run program and type regedit and click Enter.

  • In Windows Registry navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSet\Services\RpcSs and check if the entries are not missing.

In Windows Registry navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSet\Services\RpcSs and check if the entries are not missing.

  • If the startup type wasn’t set to automatic double click on “Start” and set the DWORD value to 2. Click OK to save the changes.

If the startup type wasn’t set to automatic double click on “Start” and set the DWORD value to 2. Click OK to save the changes.

  • Sequentially navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSet\Services\DcomLaunch and ensure the entries are not missing.

Sequentially navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSet\Services\DcomLaunch and ensure the entries are not missing.

  • Double click on the Start and check the type settings. Now set to automatic and set the DWORD value as 2. To save the changes press on OK.

Double click on the Start and check the type settings. Now set to automatic and set the DWORD value as 2. To save the changes press on OK.

  • Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Services\RpcEptMapper and check if any entries are missing. If the last entries are not correct then double click on the “Start” key, set the value as 2 clicks on OK, and save the changes.

Navigate to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Services\RpcEptMapper and check if any entries are missing. If the last entries are not correct then double click on the “Start” key, set the value as 2 clicks on OK, and save the changes.

  • Close the registry editor window and check if it helped in fixing “The RPC server is unavailable” error on Windows 10.

Verify the Windows Drivers

  • Log into your system as an Administrator.

Log into your system as an Administrator.

  • Open the Run program and type cmd in the search box and press OK.

Open the Run program and type cmd in the search box and press OK to open the window.

  • In the command prompt window type Verifier and hit Enter to run the process.

In the command prompt window type Verifier and hit Enter to run the process.

  • Restart the computer after finishing the process and check for the error.

Conclusion

These were the solutions verified by so many users facing the “RPC Server is Unavailable” error. Hopefully, your problem has been resolved. Let us know in the comment section which method worked for you? Wanna some more DeviceTricks? Stay tuned to this space or like, share, and follow our Facebook page to get the latest updates on errors related to Windows, macOS, and Android.

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