From 929cf08c3edf84db6675a3f5915275da82d6d873 Mon Sep 17 00:00:00 2001
From: RustDesk <71636191+rustdesk@users.noreply.github.com>
Date: Wed, 25 Jun 2025 20:48:16 +0800
Subject: [PATCH] Updated FAQ (markdown)

---
 FAQ.md | 55 +++++++++++++++++++++++++++++++++++--------------------
 1 file changed, 35 insertions(+), 20 deletions(-)

diff --git a/FAQ.md b/FAQ.md
index e02316b..e2baa48 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -635,6 +635,41 @@ About how to set up http proxy server, please check https://github.com/rustdesk/
 
 It pings rustdesk.com on port 443 (outbound) daily. If the ping fails, it retries every minute until it succeeds or until 7 days have passed.
 
+
+
+# Unable to Validate License (Failed to update license)
+
+- Case 1:
+
+![image](https://github.com/user-attachments/assets/3110c6d6-8dab-40ff-886e-b5c40b68e3aa)
+
+Google etc can be accessed.
+The final reason is related to the user's cloud provider.
+> It was a problem with our cloud provider.
+> It was not a DNS problem.
+> I believe it was something with international routes because Rustdesk site (currently hosted at address 45.76.181.120) was not the only host we couldn't reach from our server.
+
+- Case 2: 
+
+![image](https://github.com/user-attachments/assets/3304b108-48b8-49ef-9a7b-6a0fa459c087)
+
+> User: It’s a company network, those servers all are in different vlans. When I point my browser to the link, it works.
+>
+> RustDesk: We can not figure out what blocks `rustdesk.com` on the company server. The user moved the server to an external network for activation.
+
+- Case 3:
+
+If you run container (Docker etc), there might be DNS problem with container, https://github.com/rustdesk/rustdesk-server-pro/issues/136.
+
+- Case 4:
+Some users encountered TLS issue on Windows server, we would suggest you switch to Linux. RustDesk server is deprecated running on Window, We know nothing about Windows server.
+
+```
+C:\Windows\system32>curl -X POST https://rustdesk.com/api/lic/license/check -H "Content-Type: application/json" -d "{}"
+
+curl: (60) schannel: SEC_E_UNTRUSTED_ROOT (0x80090325) - The certificate chain was issued by an authority that is not trusted.
+```
+
 # The connection is interrupted every 10-15 seconds
 
 Check `C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\RustDesk\log\server\RustDesk_rCURRENT.log`, if there is something as below.
@@ -783,26 +818,6 @@ https://github.com/rustdesk/rustdesk/discussions/8981
 
 https://github.com/rustdesk/rustdesk/discussions/9835
 
-# Unable to Validate License (Failed to update license)
-
-![image](https://github.com/user-attachments/assets/3110c6d6-8dab-40ff-886e-b5c40b68e3aa)
-
-Google etc can be accessed.
-The final reason is related to the user's cloud provider.
-> It was a problem with our cloud provider.
-> It was not a DNS problem.
-> I believe it was something with international routes because Rustdesk site (currently hosted at address 45.76.181.120) was not the only host we couldn't reach from our server.
-
-If you run container (Docker etc), there might be DNS problem with container, https://github.com/rustdesk/rustdesk-server-pro/issues/136.
-
-Some users encountered TLS issue on Windows server, we would suggest you switch to Linux. RustDesk server is deprecated running on Window, We know nothing about Windows server.
-
-```
-C:\Windows\system32>curl -X POST https://rustdesk.com/api/lic/license/check -H "Content-Type: application/json" -d "{}"
-
-curl: (60) schannel: SEC_E_UNTRUSTED_ROOT (0x80090325) - The certificate chain was issued by an authority that is not trusted.
-```
-
 # Docker SSL/TLS problem
 > User: We are using docker compose and after a reboot of Rustdesk the console is displaying “License is not verified yet”. License key hasn’t changed since installation and editing it gives us error below :
 ![image](https://github.com/user-attachments/assets/ecaf5bd7-35a3-44ac-afac-0d584f707ce1)