multisite compatible?

I just installed on a multisite and network activated, but it appears that messages are restricted to sites, not broadcast across all sites, correct? I’m looking for a replacement for the WPMU Admin Message plugin, which apparently is no longer supported (it’s been integrated into their branding plugin, which we don’t want).

Btw, your plugin works great and is just what we need!…if we can simply get it to work across a multisite so we can be in touch with all admins.

Thanks,

Jim P.

https://ww.wp.xz.cn/plugins/admin-user-message/