The QuickBooks error H202 is visible while using the multi-user mode. enhancing usefulness by permitting multiple people to see files However, the H202 error can limit that access. Therefore, getting rid of it is essential. This mode and the QuickBooks Desktop edition are both accessible. Either version's errors should have their root cause identified as soon as possible. The H202 error code from your network connection to your system's server shouldn't happen again until the underlying reason has been addressed. When that happens, you can also do a number of things to fix the network, server, or the impacted mode.