Trying to connect to GNOME Remote Desktop via new browser RDP feature (1.19.x) getting this error on the login screen.
[ConnectionActivation::CapabilitiesExchange] reason: unexpected Share Control PDU
during capabilities exchange: got Server Deactivate All PDU (expected Server Demand Active PDU)
Newt logs on target host:
Connecting to RDP server localhost:3390
Server selected RDP protocol 0x2 (HYBRID (CredSSP/NLA))
Server TLS handshake OK
RDCleanPath handshake complete, forwarding traffic
OS Type & Version: Ubuntu 24.04.4 LTS (on vps and RDP target)
Pangolin Version: 1.19.3
Edition (Community or Enterprise): EE
Gerbil Version: pulled "latest" with 1.19.3
Traefik Version: 3.7.5
Newt Version: 1.13
Client Version: n/a
To Reproduce
Enable grd on 3390
Create public rdp resource
Login
Expected Behavior
RDP client shows remote desktop
Originally created by @nicolaus-hee on GitHub (Jun 14, 2026).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/3272
### Describe the Bug
<img width="1062" height="1457" alt="Image" src="https://github.com/user-attachments/assets/64a16384-6920-4fd3-a5be-abd6abb2c1d4" />
Trying to connect to GNOME Remote Desktop via new browser RDP feature (1.19.x) getting this error on the login screen.
````
[ConnectionActivation::CapabilitiesExchange] reason: unexpected Share Control PDU
during capabilities exchange: got Server Deactivate All PDU (expected Server Demand Active PDU)
````
Newt logs on target host:
````
Connecting to RDP server localhost:3390
Server selected RDP protocol 0x2 (HYBRID (CredSSP/NLA))
Server TLS handshake OK
RDCleanPath handshake complete, forwarding traffic
````
Possibly coming from upstream IronRDP issue https://github.com/Devolutions/IronRDP/issues/139
### Environment
- OS Type & Version: Ubuntu 24.04.4 LTS (on vps and RDP target)
- Pangolin Version: 1.19.3
- Edition (Community or Enterprise): EE
- Gerbil Version: pulled "latest" with 1.19.3
- Traefik Version: 3.7.5
- Newt Version: 1.13
- Client Version: n/a
### To Reproduce
1. Enable grd on 3390
2. Create public rdp resource
3. Login
### Expected Behavior
RDP client shows remote desktop
@AstralDestiny commented on GitHub (Jun 14, 2026):
Yeah it's related to ironRDP, Working on it and waiting for upstream stuff.
<!-- gh-comment-id:4702355138 -->
@AstralDestiny commented on GitHub (Jun 14, 2026):
Yeah it's related to ironRDP, Working on it and waiting for upstream stuff.
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Originally created by @nicolaus-hee on GitHub (Jun 14, 2026).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/3272
Describe the Bug
Trying to connect to GNOME Remote Desktop via new browser RDP feature (1.19.x) getting this error on the login screen.
Newt logs on target host:
Possibly coming from upstream IronRDP issue https://github.com/Devolutions/IronRDP/issues/139
Environment
To Reproduce
Expected Behavior
RDP client shows remote desktop
@AstralDestiny commented on GitHub (Jun 14, 2026):
Yeah it's related to ironRDP, Working on it and waiting for upstream stuff.