Hi there,
Thanks for reaching out. Make sure you have no pending updates available for Destiny 2 as well as clear your console/download cache. You can find steps to do so based on your platform through the links below.
Xbox and PlayStation: https://help.bungie.net/hc/articles/360049199051-Clearing-the-Console-Cache
Steam: https://support.steampowered.com/kb_article.php?ref=3134-TIAL-4638
MS Store on PC: https://www.thewindowsclub.com/reset-windows-store-cache
Due to the high volume of players you may encounter a queue on login.
If issues persist please also refer to our [url=https://www.bungie.net/en/Support/Troubleshoot?oid=12915]network guide[/url], [url=https://www.bungie.net/en/Support/Troubleshoot?oid=13603]optimization guide[/url], and [url=https://www.bungie.net/en/Support/Troubleshoot?oid=13610]advanced troubleshooting[/url] for assistance on minimizing connection issues and best optimizing your connection to Destiny 2.