Fixing Win32 Error 0x000006E5 (RPC_S_NO_CONTEXT_AVAILABLE)

The error code 0x000006E5 translates to RPC_S_NO_CONTEXT_AVAILABLE. This error message indicates that the RPC call failed because the client or server couldn’t allocate the necessary context for the RPC communication.

Understanding RPC Contexts:

• In some RPC (Remote Procedure Calls) implementations, a context is established between the client and server for a specific RPC session. This context can hold information relevant to the communication, such as authentication data, security settings, or call identifiers.
• Contexts can be limited resources, and their availability might depend on server configuration or client-side factors.

Reasons Behind RPC_S_NO_CONTEXT_AVAILABLE:

There are a couple of reasons why you might encounter this error:

• Exhausted Context Pool (on Server): The server might have a limited pool of contexts available, and all of them might be in use by other client connections. This could happen during peak load scenarios.
• Client Configuration Issues (less common): In rare cases, client-side configuration issues related to context management might lead to this error.

Resolving RPC_S_NO_CONTEXT_AVAILABLE:

1. Server Administrator Communication (if possible):

   • If possible, communicate with the server administrator to inquire about the server’s context pool management and potential resource limitations.

2. Retry the RPC Call (with Delay):

   • In some cases, retrying the RPC call after a short delay might allow the server to free up a context if the initial failure was due to temporary exhaustion.

3. Client Configuration Review (if applicable):

   • If you have access to client-side configuration options, review settings related to RPC context management. Look for anything that might be affecting context allocation.

4. Software Vendor Support:

   • If the issue persists, consider contacting the software vendor’s support for the program or service. They might have insights into specific context management behavior or troubleshooting steps for their software.

Additional Tips:

• RPC development tools or libraries might offer functionalities to manage or troubleshoot RPC contexts (if applicable for the specific RPC implementation).

Important Note:

The details of context management in RPC can vary depending on the specific RPC implementation. If you have access to further documentation or can consult with the software vendor, you might gain more specific insights into how context allocation works and potential solutions.