Gate.io Blog Why Can't I Connect to Polygon Mainnet？

Why Can't I Connect to Polygon Mainnet？

14 November 14:53

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## 🎉  Introduction
Are you struggling with <a  rel="nofollow noopener noreferrer"  href="/price/polygon-matic" target="_blank" class="blog_inner_link">Polygon</a> Mainnet connection issues? You're not alone. As the <a  rel="nofollow noopener noreferrer"  href="/price/polygon-matic" target="_blank" class="blog_inner_link">Polygon</a> ecosystem expands, many users face challenges connecting to the network. From network congestion to wallet configuration problems, these issues can be frustrating. In this guide, we'll explore common causes of Polygon Mainnet connection problems and provide practical solutions to get you back on track.
![](https://gimg2.gateimg.com/image/article/17315670791.png)
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## Common Causes of Polygon Mainnet Connection Issues
Polygon Mainnet connection issues have become increasingly prevalent, causing frustration for many users attempting to interact with decentralized applications (dApps) on the network. One of the primary reasons for these connectivity problems stems from the rapid growth of the Polygon ecosystem, which has led to network congestion and slower transaction processing times.

The Polygon network's infrastructure, while robust, can sometimes struggle to handle the high volume of transactions, particularly during peak usage periods. This strain on the network can result in delayed confirmations and failed transactions, giving users the impression that they are unable to connect to the Polygon Mainnet. Additionally, outdated or poorly configured RPC (Remote Procedure Call) endpoints can exacerbate these issues, as they may not accurately reflect the current state of the network.

Another significant factor contributing to Polygon Mainnet connection problems is the inconsistent implementation of EIP-1559 across various [Web3 Wallet](https://www.gate.io/web3)s and dApps. EIP-1559, an <a  rel="nofollow noopener noreferrer"  href="/price/ethereum-eth" target="_blank" class="blog_inner_link">Ethereum</a> Improvement Proposal aimed at making gas fees more predictable, has been adopted by Polygon. However, not all applications have fully integrated this update, leading to discrepancies in gas fee calculations and transaction processing. This inconsistency can result in transactions being stuck in a pending state or failing to broadcast to the network altogether.

Furthermore, [wallet](https://www.gate.io/web3) configuration issues play a crucial role in connection problems. Many users encounter difficulties when attempting to add the Polygon network to their wallets manually. Incorrect network parameters, such as the Chain ID, RPC URL, or native token symbol, can prevent successful connections to the Polygon Mainnet. It's worth noting that the recent transition from MATIC to POL as the native token symbol has added an extra layer of complexity for users and developers alike.
## Troubleshooting Steps to Resolve Connection Problems
To address Polygon Mainnet connection issues, users can follow a series of troubleshooting steps. First and foremost, ensuring that your wallet is correctly configured for the Polygon network is crucial. Double-check the network settings, including the RPC URL, Chain ID, and token symbol. For MetaMask users, the correct configuration should be as follows:

| Parameter | Value |
|-----------|-------|
| Network Name | Polygon Mainnet |
| New RPC URL | https://polygon-rpc.com |
| Chain ID | 137 |
| Currency Symbol | POL |
| Block Explorer URL | https://polygonscan.com |

If manual configuration doesn't resolve the issue, users can try using the automatic network addition feature available on platforms like Polygonscan. This method can help ensure that all network parameters are correctly set.

Another effective troubleshooting step is to clear the wallet's transaction history and nonce information. For Brave Wallet users, this can be done by navigating to brave://settings/wallet and selecting "Clear wallet transaction and nonce information". This action can help resolve issues related to stuck transactions or nonce mismatches.

For developers deploying contracts or interacting with the Polygon Mainnet programmatically, adjusting gas price settings can significantly improve success rates. As noted by a user in the OpenZeppelin forum, manually setting higher gas prices, particularly the maxPriorityFee, can reduce deployment times from 50 minutes to under 2 minutes. This suggests that Polygon's "cheap and fast" reputation may require some nuance, as paying higher fees can lead to faster transaction processing.
## 💡 Best Practices for Smooth Polygon Transactions
To ensure smooth transactions on the Polygon Mainnet, adopting several best practices is essential. First, always use up-to-date and reliable RPC endpoints. While [polygon-rpc.com](https://polygon-rpc.com) is a popular choice, considering alternatives like Alchemy or Infura can provide more stable connections, especially during high network congestion periods.

Implementing proper error handling and retry mechanisms in your dApps or _script_s is crucial. Given the occasional instability of the Polygon network, transactions may fail or take longer than expected to process. Designing your applications to gracefully handle these scenarios can significantly improve user experience and reduce frustration.

For developers, staying informed about the latest updates to the Polygon network and related tools is vital. The recent transition from MATIC to POL as the native token symbol serves as a reminder of the importance of keeping your applications and documentation up to date. Regular testing on both the Mumbai testnet and Polygon Mainnet can help identify and resolve issues before they impact end-users.

Lastly, educating users about the intricacies of blockchain transactions can help manage expectations and reduce support requests. Providing clear guidance on setting appropriate gas fees, understanding transaction confirmation times, and troubleshooting common issues can empower users to navigate the Polygon ecosystem more effectively.

By implementing these best practices and staying informed about the latest developments in the Polygon ecosystem, users and developers can minimize connection issues and enjoy a smoother experience on the Polygon Mainnet. As the network continues to evolve and improve its infrastructure, we can expect to see fewer connectivity problems in the future.
## 📖 Conclusion
Polygon Mainnet connection issues stem from network congestion, outdated RPC endpoints, and wallet configuration problems. To resolve these, users should verify wallet settings, clear transaction history, and consider alternative RPC providers. Developers can improve success rates by adjusting gas prices and implementing robust error handling. Staying informed about network updates and educating users on blockchain intricacies are crucial for a smoother Polygon experience. As the ecosystem evolves, we can anticipate enhanced connectivity and user satisfaction.

*Risk Warning: Market volatility and unforeseen technical challenges may impact Polygon's performance and user experience, potentially leading to unexpected connection issues or transaction delays.*
## 📚 References
[1] [Getting Started With MetaMask on Polygon](https://polygon.technology/blog/getting-started-with-metamask-on-polygon)
[2] [Unable to process transactions over Polygon Mainnet](https://community.brave.com/t/unable-to-process-transactions-over-polygon-mainnet/359860)
[3] [POLYGON main net fails deploy, mumbai fine, other chains fine, but why?](https://forum.openzeppelin.com/t/polygon-main-net-fails-deploy-mumbai-fine-other-chains-fine-but-why/24938)

<div class="blog-details-info">
<div>Author:**Jill M.**, Gate.io Researcher
<div class="info-tips">\*This article represents only the views of the researcher and does not constitute any investment suggestions. All investments carry inherent risks; prudent decision-making is essential.
<div>\*Gate.io reserves all rights to this article. Reposting of the article will be permitted provided Gate.io is referenced. In all cases, legal action will be taken due to copyright infringement.
</div>

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