# Access node operators: please add '--rpc-max-message-size=62914560' flag to the access node and restart

**URL:** <https://forum.flow.com/t/access-node-operators-please-add-rpc-max-message-size-62914560-flag-to-the-access-node-and-restart/4993>\
**Category:** Uncategorized\
**Created:** [July 12, 2023, 8:32pm UTC](https://forum.flow.com/t/access-node-operators-please-add-rpc-max-message-size-62914560-flag-to-the-access-node-and-restart/4993 "2023-07-12T20:32:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vishal](https://avatars.discourse-cdn.com/v4/letter/v/49beb7/32.png) [@vishal](https://forum.flow.com/u/vishal)\
**Post date:** [July 12, 2023, 8:32pm UTC](https://forum.flow.com/t/access-node-operators-please-add-rpc-max-message-size-62914560-flag-to-the-access-node-and-restart/4993/1 "2023-07-12T20:32:39Z")

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Hello Access node operators,  
Please restart your Access nodes with this additional flag - `--rpc-max-message-size=62914560`

This is to bump up the max gRPC response message size. During the recent Flow mainnet issue, we discovered that one of the system transactions is very large in size, and access nodes will fail to respond to that transaction if the message size is not bumped up.

thank you,  
Flow Team