[isalist] Re: Users bumped out of Live Meeting when uploading PowerPoints
- From: Rob Moore <RMoore@xxxxxxxx>
- To: "isalist@xxxxxxxxxxxxx" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 3 Feb 2010 13:33:42 -0500
The new version of the client is 8.0.6362.149. I guess it's also a problem with
a slightly older one, I think maybe .143 but can't find the email for that one
right now. Originally, I had version something like 8.0.6362.62, and that one
didn't have this problem.
Rob
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of D PIETRUSZKA USWRN INTERLINK INFRA SHIFT MGR
Sent: Wednesday, February 03, 2010 1:18 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Users bumped out of Live Meeting when uploading
PowerPoints
Which version is that new client? I'm wondering if would affect in any way,
clients working on a company owned OCS environment.
Regards
Diego R. Pietruszka
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Rob Moore
Sent: Wednesday, February 03, 2010 11:55 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Users bumped out of Live Meeting when uploading
PowerPoints
This is fixed. Apparently the new LiveMeeting client requires access to port
8057. Microsoft's original explanation was that the LM client first tried port
8057 and if that was unavailable it would fall back to port 443. I could see
this happen, in fact. But as far as I can tell, the newer client would then
fail anyway if it couldn't use 8057. Once I allowed traffic over that port, all
went well.
Thanks,
Rob
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Rob Moore
Sent: Wednesday, February 03, 2010 8:00 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Users bumped out of Live Meeting when uploading
PowerPoints
Again, sorry for the delay. But I've been doing a lot of back-and-forth with
our LiveMeeting team. And they have an open case with Microsoft's LiveMeeting
support folks.
What we've figured out so far is that there are no problems with an older
version of the client (which I have on my computer at work). Using that client
I can upload anything I want, including the same PowerPoint that out
LiveMeeting team members can't upload. The newest client (which is on the
computers of our LiveMeeting team, as well as the computers of most of our
clients) has the problem described-inability to upload PowerPoints, with the
error I described below. Size (of the PP) doesn't seem to matter.
Interestingly, other file types CAN be uploaded, no problem.
When I get into work later this morning, I'm planning to upgrade to the latest
client on my work computer and see the problem replicated. I will post more
results later this morning. But if anyone has any insight now, it will be
gladly accepted!
Thanks,
Rob
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Rob Moore
Sent: Tuesday, February 02, 2010 9:40 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Users bumped out of Live Meeting when uploading
PowerPoints
Internal clients use the ISA server as their default gateway. As far as I know,
return traffic takes the same path as the original traffic. All of our traffic
comes in and out through the ISA server.
There were some preceding errors. I'll try to duplicate those and let you know
what they were. I'll also try to find out if any other kind of file can be
uploaded.
Rob
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Jerry Young
Sent: Monday, February 01, 2010 4:57 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: Users bumped out of Live Meeting when uploading
PowerPoints
Looks like Hosted Live Meeting.
http://www.dnsstuff.com/tools/ipall/?tool_id=67&token=&toolhandler_redirect=0&ip=65.221.5.36
The IP is in Redmond and the denial is being done on traffic bound for the
External network of the ISA Server from its Internal network.
As I understand it, however, the FWX_E_TCP_NOT_SYN_PACKET_DROPPED is something
you see commonly with stateful inspection on the ISA Server; indeed, this error
code is generally indicative of packets being dropped because of stateful
inspection; this traffic didn't match any conversation currently in the ISA
Server's state tables. That being said, a possible cause of this is an
asymmetric route between your client and the destination.
Do your internal clients use the ISA Server as their default gateway or another
router? Is the return traffic to the client taking the same path into of your
environment as the original client traffic took leaving it?
For example, if you assume the ISA Server is used the default gateway by the
internal clients, the traffic flow of an asymmetric route might look at follows:
Client -> ISA Server -> Router -> LiveMeeting -> Router -> Client.
That may not be the cause, though, as there are still other questions to
consider. Are the users able to upload any files at all? Is it just the
PowerPoint files that can't be uploaded? Are there any status error or warning
codes that preceed this one? If so, what are they?
Try taking a network trace and looking at that. That might ultimately be what
you need to do to determine the root cause.
On Mon, Feb 1, 2010 at 2:55 PM, D PIETRUSZKA USWRN INTERLINK INFRA SHIFT MGR
<DPietruszka@xxxxxx<mailto:DPietruszka@xxxxxx>> wrote:
Is it you own livemeeting or livemeeting service?
Regards
Diego R. Pietruszka
From: isalist-bounce@xxxxxxxxxxxxx<mailto:isalist-bounce@xxxxxxxxxxxxx>
[mailto:isalist-bounce@xxxxxxxxxxxxx<mailto:isalist-bounce@xxxxxxxxxxxxx>] On
Behalf Of Rob Moore
Sent: Monday, February 01, 2010 2:49 PM
To: isalist@xxxxxxxxxxxxx<mailto:isalist@xxxxxxxxxxxxx>
Subject: [isalist] Users bumped out of Live Meeting when uploading PowerPoints
Hi all-
Using ISA 2006, patched to the latest version. (Getting ready to go to TMG, not
there yet.)
Users on my network suddenly can no longer upload PowerPoints to their Live
Meetings. If they use their computer elsewhere (home or whatever) and are NOT
connected to my VPN, then they can upload them just fine.
I did some monitoring on one of these failures and here's the result:
Original Client IP Client Agent Authenticated Client
Service Server Name Referring Server Destination Host Name
Transport MIME Type Object Source Source Proxy
Destination Proxy Bidirectional Client Host Name
Filter Information Network Interface Raw IP Header
Raw Payload GMT Log Time Source Port Processing Time
Bytes Sent Bytes Received HTTP Status Code Cache
Information Log Record Type Authentication Server
Log Time Destination IP Destination Port
Protocol Action Rule Client IP Client
Username Source Network Destination Network
HTTP Method URL Result Code Error Information
172.17.201.34 PHL-ISA3
- TCP -
-
2/1/2010 7:28:42 PM 31707
0 0 0 0x0
Firewall - 2/1/2010 2:28:42 PM 65.221.5.36
443 HTTPS Denied Connection
172.17.201.34 Internal External
- - 0xc0040017 FWX_E_TCP_NOT_SYN_PACKET_DROPPED
0x0
I feel fairly certain that this error has been queried to the list before
(maybe not with Power Points being uploaded into Live Meetings), but I couldn't
find any answers in the archive.
Thanks,
Rob
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Rob Moore
Network Manager
215-241-7870
Helpdesk: 800-500-AFSC
--
Cordially yours,
Jerry G. Young II
Microsoft Certified Systems Engineer
Young Consulting & Staffing Services Company - Owner
www.youngcss.com<http://www.youngcss.com>
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