We have been experiencing a few issues with the conferencing facilities in Lync. Internally everything works fine, but when we try connecting externally or through the VPN the whiteboard, poll and powerpoint sharing do not work. On the client you get an error reference ID530 (source ID 241). If I run Snooper I get this error ^^^^ ConfUpdateMcuRosterStateBatch sproc execution failed : ExecHr = [hr=S_OK], NativeError = , NativeErrorSeverity = , NativeErrorLineNumber = , NativeErrorSqlState = , OdbcSqlState = , ErrorText = [[# [Microsoft][SQL Server Native Client 10.0][SQL Server]###60110:ConfUpdateMcuRosterStateBatch:Mcu https://servername:444/liveserver/immcu/ does not exist for conference MN8R2P1M belonging to organizer email@example.com . #]]^^^^.
Anyone have any ideas?
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Do you know what the firewall policies are from the VPN users to the internal users or the Front End? It appears you are getting blocked.
Mark King | MVP: Lync Server | MCTS:UC Voice | MCSE: Messaging | MCITP:Enterprise Messaging | www.unplugthepbx.com
I'm getting the same error. What exactly are you logging to get that information? If I log SIP Stack on edge and front end, start conference and get the error I don't see any relevant information on either logs.
Have you since figured anything out?
I had the same issue, but my case is a bit special, since it's a lab deployment with no public DNS record of the test lab domain. When I try whiteboard / PPT sharing initiated from an external user, I'd get the reference ID 530 source ID 241; when initiated from an internal user, a different error ID appeared on the external user's client. I struggled with it for days, only to realize from a log from Lync client that said "CUccDnsResolver::StopDnsLookup MR-INFO - [081D31B0] DNS lookup stopped for sip.<domain>" I just added an entry to the host file to point to the IP address of my edge server as sip.<domain> and everything started working.
Andrew Shin, TechNet Forum replies
very same thing happens for my case, internally everything works perfect but on edge-connected external clients, powerpoint presentation, whiteboard and even pool doesnt load giving the error id 530 and source id 241.
all ports are open. i dont have a public certificate. using self signed instead and using host file hard coding for edge-connected clients. i noticed something on the front server event viewer where a warning tells FE tries to connect to https://<frontend>:444//liveserver/datamcu/. there i sa number of these in the logs. i check the ports set but there are any services for lync on topology the uses this port that i've set.
i hope someone has any idea what i'm missing here.
All the best, Eman Lacuata
Have there been any further updates on this?
We are having exactly the same issues. All conferencing features work fine on the LAN but from outside the LAN through the edge server we cannot get Whiteboarding, Polls or PowerPoint sharing to work. We experience 2 different errors depending if we initiate a session with an invitation to share (An error occurred during the online meeting. When contacting your support team, reference error ID 530 (source ID 241)) or if we invite to share during an existing IM session (Cannot connect to the sharing server. When contacting your support team, reference error code 141).
We have checked external DNS, certificates, firewall rules and server patching. We have tried all the suggestions that we can find out there and have rebuilt the reverse proxy and edge servers and still have the same issue.
Has anyone else managed to resolve this issue?
Simon Stevens Senior Unified Comms Engineer