"The Home World Transfer Service will be suspended temporarily on Monday, June 27, 2022 at 3:00 a.m. (PDT) to prepare for the Japan data center expansion and the Data Center Travel system.

After the release of Patch 6.18 scheduled on Tuesday, July 5, 2022, the Home World Transfer Service will resume after verifying that the Japanese/European data center expansions and the Data Center Travel system are stable."

From this https://na.finalfantasyxiv.com/lodes...63e7a686b1fc95 news post here.