From 4bca1d520a01b697e0fd5833e99ad3f70da025e7 Mon Sep 17 00:00:00 2001
From: RustDesk <71636191+rustdesk@users.noreply.github.com>
Date: Fri, 6 Jun 2025 03:08:22 +0800
Subject: [PATCH] Updated FAQ (markdown)

---
 FAQ.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/FAQ.md b/FAQ.md
index c32611e..70c0968 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -898,10 +898,18 @@ Or use preset password in address book and share in your team.
 
 https://www.reddit.com/r/rustdesk/search/?q=key+mismatch&cId=9300c8dc-ab3b-47dd-b6da-354611a649d7&iId=7816df66-cb99-47aa-bd6a-46c427c5b3a2
 
-Here's a notable instance:
+Please make sure there is only one rustdesk server running especially you change from OSS to Pro.
+
+Case 1:
 
 > we confirmed with the client about the public key again, it is correct, but they still have key mismtach error. then we connect to their server with our client, we got key mismatch sometimes, and sometime not. The reason is they are running two rustdesk server processes.
 
+Case 2:
+
+> Alright. Sorry. My mistake. This was me. I forgot I already had a local non licensed version of rustdesk server running on my own server in my office. It wasn't being used by any clients, but it seems like it was causing issues with connections and the discovery
+ of my licensed server i have running on Digital Ocean. I shut it down on my local server, and things started working.
+
+
 # RustDesk Service service terminated unexpectedly
 
 https://github.com/rustdesk/rustdesk/discussions/11006