FAQs
Microsoft recommends that you don't disable the RPC service.
How to fix RPC error? ›
Possible solutions to RPC server unavailable error
- Ensure all RPC services are running on your PC.
- Check RPC isn't blocked by your firewall.
- Boot using normal startup.
- Enable IPv6 and file & printer sharing.
- Flush your DNS cache.
- Edit your registry settings.
- Reset your PC.
What is Remote Procedure Call RPC and why it is used? ›
A Remote Procedure Call (RPC) is a software communication protocol that one program uses to request a service from another program located on a different computer and network, without having to understand the network's details.
How do I fix Remote Procedure Call? ›
5 Ways to Fix the "Remote Procedure Call Failed" Error in Windows
- Boot Into Safe Mode With Networking. The first fix that we suggest is booting into Safe Mode with networking. ...
- Run the Windows Store Troubleshooter. ...
- Refresh the RPC Service. ...
- Restart the DCOM Server Process Launcher. ...
- Reset the Faulty Program.
Why is RPC needed? ›
Remote Procedure Call (RPC) protocol is generally used to communicate between processes on different workstations. However, RPC works just as well for communication between different processes on the same workstation.
Is it possible to cancel an RPC call? ›
Either the client or the server can cancel an RPC at any time. A cancellation terminates the RPC immediately so that no further work is done.
How do I reset my RPC? ›
Restart the RPC Server
Click on Run as administrator. Look for DCOM Server Process Launcher and double-click on it. Ensure that "Startup type" is set to Automatic and "Service status" is Running. If there is any discrepancy, set the "Startup type" to Automatic and click Start below "Service status."
How do you handle RPC errors? ›
You should catch RPCError exceptions and close sessions explicitly. After closing session explicitly, you can retry RPC by same client object. But retrying RPC is not recommended because you can not detect transport layer error which may recover by retrying.
How to check if RPC is running? ›
To check whether the RPC and WMI Services are running in the remote machine:
- In the remote machine, go to Start → Run → services. msc.
- Check whether the services Remote Procedure Call and Windows Management Instrumentation are running. If not, start those services.
Is Remote Procedure Call safe? ›
Many Windows services leverage RPCs for communication, and many RPCs expose functions to end users. Depending on privilege levels and the security checks that are (or are not) performed when these functions are implemented, adversaries can abuse RPCs to perform many malicious actions.
Example Applications
- Remote File access. Remote file and database access was one of the earliest uses of RPC. ...
- Remote Graphics. ...
- Remote software task management Load/Start/Control. ...
- Other Examples.
What services use RPC? ›
The most common RPC-based services are NFS (Network File System) and NIS (Network Information System). See the previous section for more information about NIS. The File Alteration Monitor (FAM) provided by the package fam is also an RPC service, and thus depends on portmap.
Why is remote procedure call running on my computer? ›
Remote Procedure Call (RPC) is a request-response protocol that one program can use to request a service from a program located in another computer in a same network without having to understand the network's details. It supports communication between Windows applications.
Can I delete remote procedure call? ›
TL;DR: It's a critical process of windows, do not disable it. Microsoft Remote Procedure Call (RPC) defines a powerful technology for creating distributed client/server programs. The RPC run-time stubs and libraries manage most of the processes relating to network protocols and communication.
What port does remote procedure call use? ›
The client contacts the RPC-based server through the ports TCP 111 or UDP 135. The client tells the location server the unique RPC service number for the server it wishes to access.
Is it safe to disable RPC Endpoint Mapper? ›
Disabling this policy means RPC clients won't authenticate with the Endpoint Mapper Service, but they can still communicate with it on Windows NT4 Server. The recommended state for this setting is: Enabled.
Should I use RPC or REST? ›
A REST API is typically used in applications as it is easier for developers to understand and implement. However, RPC still exists and is used when it suits the use case better. Modern implementations of RPC, such as gRPC, are now more popular. For some use cases, gRPC performs better than RPC and REST.
Do I need RpcSs? ›
Yes, you need RpcSs service. This service is rather vital. Practically everything depends on this service to be running.
Which one is the disadvantage of remote procedure call? ›
Potential Drawbacks of RPC
There is no flexibility in the hardware architecture. Remote calls may not be as fast or reliable as local calls. Because the concept can be implemented in various ways, it cannot be standardized. RPC is prone to failure.