Large Number of Lync Conference Session Failures Every 3 Minutes

I'm wondering if anyone has ever seen this issue before. It's new to me.
A client of mine is experiencing extremely high conferencing session failures in Lync. Once looking into the conferences in question, it looks as though one specific users conferences are in question. A conference session for this users Lync
meetings are attempting to be joined EVERY 3 minutes, 24 Hours a day with a Response Code of 486 and a Diagnostic Code of 34007. Here is a ScreenShot of 10 Minutes worth of these attempts:
This user is not experiencing any problems in joining meetings on his own and he is the only user listed as having unexpected conference failures.
My thought was to restart the AV Conferencing Service or reboot the Front End Servers but wanted to run this past some other first.
Any thoughts?
John K. Boslooper | Lync Technical Specialist | MCITP
Project Leadership Associates
2000 Town Center, Suite 1900, Southfield, MI 48075
Phone: 312.448.2269 | Fax: 435.304.3335
www.projectleadership.net

UPDATE:
It seems as though it was a hung up process with the AVCMU Agent on one of the Front-End servers. A simple reboot over the weekend took care of the problem.
John K. Boslooper | Lync Technical Specialist | Project Leadership Associates Phone: 312.448.2269 | www.projectleadership.net

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george3 wrote:
Ok, perhaps its my understanding of RMAN that is at fault. From the logs :
Starting recover at 18-JAN-11
channel m1: starting incremental datafile backup set restore
channel m1: specifying datafile copies to recover
recovering datafile copy file number=00001
name=/exlibris1/rmanbackup/database_f734055020_s242_s1
recovering datafile copy file number=00002
name=/exlibris1/rmanbackup/database_f734055045_s243_s1
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http://john-goodwin.blogspot.com/

Large number of concurrent sessions

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Tangosol, Inc.
Clustering Weblogic? You're either using Coherence, or you should be!
Download a Tangosol Coherence eval today at http://www.tangosol.com/
"Priya Shinde" <[email protected]> wrote in message
news:3c6fb3bd$[email protected]..
>
What optimizations are used to provide a large number of concurrentsessions?

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Sofiya Li
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Large number of entries in Queue BW0010EC_PCA_1

Dear BW experts,
Our BW system 2004s is extracting data from R3 700. I am a Basis guy and observing large number of entries in SMQ1 in R3 system under Queue BW0010EC_PCA_1. I observe in RSA7 similar number of entries for 0EC_PCA_1.
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1. Is it ok that such large number of entries lying in queue in SMQ1 and they are extracted once a day by a batch job.Then there is no mean of schedular pushing this entries.
2. Any idea why extraction job only fetches data of 2 days before.any setting somewhere missing.
Many thanks in advance for your valuable comments

Hi,
The entries lying in RSA7 and SMQ1 are one and the same. In SMQ1, BW0010EC_PCA_1 entry means that this data is lying to be sent across to you BW001 client system. Whereas in RSA7, same data is displayed as 0EC_PCA_1.
1. Is it ok that such large number of entries lying in queue in SMQ1 and they are extracted once a day by a batch job.Then there is no mean of schedular pushing this entries.
As I can understand from the data thats lying in your R/3 system in SMQ1, this datasource has delta mode as Direct Delta. SAP recommends that if the number of postings for a particular application is greater than 100000 per day, you should have delta mode as Queued Delta. Since in your system it is in some thousands, therefore BI guys would have kept it as direct delta. So, these entries lying in SMQ1 are not problem at all. As for scheduler from BI, it will pick up these entries every morning to clear the queue for the previous data.
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Could you post here your source code, that is compiled and ready to be executed, so we can take a look at the loop section ?
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http://www.oracle.com/technology/documentation/berkeley-db/db/ref/am_conf/logrec.html
http://www.oracle.com/technology/documentation/berkeley-db/db/ref/am_conf/renumber.html
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Andrei

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Hi,
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21:49:17, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [81.154.101.160:51163] CLOSED/TIME_WAIT ppp0 NAPT)
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A slightly longer extract is shown below:
21:49:17, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [81.154.101.160:51163] CLOSED/TIME_WAIT ppp0 NAPT)
21:49:15, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [81.154.101.160:41820] ppp0 NAPT)
21:49:15, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [81.154.101.160:51163] CLOSED/SYN_SENT ppp0 NAPT)
21:49:11, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [213.205.231.156:51027] TIME_WAIT/CLOSED ppp0 NAPT)
21:49:03, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [178.190.63.75:55535] CLOSED/SYN_SENT ppp0 NAPT)
21:49:00, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [2.96.4.85:23939] TIME_WAIT/CLOSED ppp0 NAPT)
21:48:59, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [78.144.143.222:21617] CLOSED/TIME_WAIT ppp0 NAPT)
21:48:58, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [41.218.222.34:28188] ppp0 NAPT)
21:48:57, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [41.218.222.34:28288] CLOSED/SYN_SENT ppp0 NAPT)
21:48:57, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [86.132.123.255:18048] ppp0 NAPT)
21:48:57, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [86.132.123.255:54199] CLOSED/SYN_SENT ppp0 NAPT)
21:48:55, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [86.144.91.49:60704] ppp0 NAPT)
21:48:55, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [80.3.100.12:50875] TIME_WAIT/CLOSED ppp0 NAPT)
21:48:45, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [78.150.251.216:57656] ppp0 NAPT)
21:48:39, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [78.150.251.216:56975] CLOSED/SYN_SENT ppp0 NAPT)
21:48:29, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [79.99.145.46:8368] CLOSED/SYN_SENT ppp0 NAPT)
21:48:27, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [90.192.249.173:45250] ppp0 NAPT)
21:48:16, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [212.17.96.246:62447] ppp0 NAPT)
21:48:10, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [82.16.198.117:49942] TIME_WAIT/CLOSED ppp0 NAPT)
21:48:08, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [213.205.231.156:51027] CLOSED/SYN_SENT ppp0 NAPT)
21:48:04, 11 Mar.
IN: ACCEPT [57] Connection closed (Port Forwarding: TCP 192.168.1.78:14312 <-->86.128.58.172:14312 [89.153.251.9:53729] TIME_WAIT/CLOSED ppp0 NAPT)
21:47:54, 11 Mar.
IN: ACCEPT [54] Connection opened (Port Forwarding: UDP 192.168.1.78:14312 <-->86.128.58.172:14312 [80.3.100.12:37150] ppp0 NAPT)

Hi,
Thank you for the response. I think, but can't remember for sure, that UPnP was already switched off when I captured that log. Anyway, even if it wasn't, it is now. So I will see what gets captured in my logs.
I've just had to restart my Home Hub because of other connection issues and I notice that the first few entries are also odd:
19:35:16, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49250->173.194.78.125:5222 on ppp0)
19:34:45, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:34:31, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49250->173.194.78.125:5222 on ppp0)
19:34:31, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:34:04, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49462->199.59.149.232:443 on ppp0)
19:33:46, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49250->173.194.78.125:5222 on ppp0)
19:33:46, 12 Mar.
IN: BLOCK [12] Spoofing protection (IGMP 86.164.178.188->224.0.0.22 on ppp0)
19:33:45, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:33:39, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49462->199.59.149.232:443 on ppp0)
19:33:33, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49463->199.59.149.232:443 on ppp0)
19:33:29, 12 Mar.
IN: BLOCK [15] Default policy (UDP 111.252.36.217:26328->86.164.178.188:12708 on ppp0)
19:33:16, 12 Mar.
IN: BLOCK [15] Default policy (TCP 193.113.4.153:80->86.164.178.188:49572 on ppp0)
19:33:14, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:33:14, 12 Mar.
IN: BLOCK [15] Default policy (TCP 66.193.112.93:443->86.164.178.188:44266 on ppp0)
19:33:14, 12 Mar.
( 164.240000) CWMP: session completed successfully
19:33:13, 12 Mar.
( 163.700000) CWMP: HTTP authentication success from https://pbthdm.bt.mo
19:33:05, 12 Mar.
BLOCKED 106 more packets (because of Default policy)
19:33:05, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49462->199.59.149.232:443 on ppp0)
19:33:05, 12 Mar.
IN: BLOCK [15] Default policy (TCP 213.1.72.209:80->86.164.178.188:49547 on ppp0)
19:33:05, 12 Mar.
BLOCKED 94 more packets (because of Default policy)
19:33:05, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:33:05, 12 Mar.
IN: BLOCK [15] Default policy (TCP 199.59.148.87:443->86.164.178.188:49531 on ppp0)
19:33:05, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49250->173.194.78.125:5222 on ppp0)
19:33:04, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:33:04, 12 Mar.
( 155.110000) CWMP: Server URL: https://pbthdm.bt.mo; Connecting as user: ACS username
19:33:04, 12 Mar.
( 155.090000) CWMP: Session start now. Event code(s): '1 BOOT,4 VALUE CHANGE'
19:32:59, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:32:54, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49462->199.59.149.232:443 on ppp0)
19:32:53, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:52, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49463->199.59.149.232:443 on ppp0)
19:32:51, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:32:48, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:47, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49266->173.194.34.101:443 on ppp0)
19:32:46, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:46, 12 Mar.
BLOCKED 4 more packets (because of First packet is Invalid)
19:32:45, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49461->199.59.149.232:443 on ppp0)
19:32:44, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:44, 12 Mar.
BLOCKED 1 more packets (because of First packet is Invalid)
19:32:43, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49398->193.113.4.153:80 on ppp0)
19:32:42, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:42, 12 Mar.
BLOCKED 3 more packets (because of First packet is Invalid)
19:32:42, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49277->119.254.30.32:443 on ppp0)
19:32:41, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:41, 12 Mar.
BLOCKED 1 more packets (because of First packet is Invalid)
19:32:41, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:38, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49280->119.254.30.32:443 on ppp0)
19:32:36, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49330->173.194.67.94:443 on ppp0)
19:32:34, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49463->199.59.149.232:443 on ppp0)
19:32:30, 12 Mar.
IN: BLOCK [15] Default policy (TCP 66.193.112.93:443->86.164.178.188:47022 on ppp0)
19:32:30, 12 Mar.
( 120.790000) CWMP: session closed due to error: WGET TLS error
19:32:30, 12 Mar.
( 120.140000) NTP synchronization success!
19:32:30, 12 Mar.
BLOCKED 1 more packets (because of Default policy)
19:32:29, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49458->217.41.223.234:80 on ppp0)
19:32:28, 12 Mar.
OUT: BLOCK [65] First packet is Invalid (TCP 192.168.1.78:49280->119.254.30.32:443 on ppp0)
19:32:26, 12 Mar.
( 116.030000) NTP synchronization start
19:32:25, 12 Mar.
OUT: BLOCK [15] Default policy (First packet in connection is not a SYN packet: TCP 192.168.1.78:49442->74.125.141.91:443 on ppp0)
19:32:25, 12 Mar.
OUT: BLOCK [15] Default policy (TCP 192.168.1.78:49310->204.154.94.81:443 on ppp0)
19:32:25, 12 Mar.
IN: BLOCK [15] Default policy (TCP 88.221.94.116:80->86.164.178.188:49863 on ppp0)

RE: Tab Groups. 1. What will erase saved tab groups unintentionally? E.g. : Clearing Cashe, running CCleaner? 2. Does keeping a large number of tab groups active degrade my computer's performance? 3. Are tab groups saved during back-ups?

RE: Tab Groups.
1. What will erase saved tab groups unintentionally? E.g. : Clearing Cache, running CCleaner, other actions?
2. Does keeping a large number of tab groups active degrade my computer's performance?
3. Are tab groups saved during back-ups?
Running Win 7 Pro, browsing Firefox 7.0.1

App (pinned) tabs and Tab Groups (Panorama) are stored as part of the session data in the file sessionstore.js in the Firefox profile folder.
Make sure that you do not use "Clear Recent History" to clear the "Browsing History" when Firefox is closed because that prevails and prevents Firefox from opening tabs from the previous session.
* https://support.mozilla.com/kb/Clear+Recent+History
If you use cleanup software like CCleaner then make sure that Session is unchecked in the settings for the Firefox application.

How to design Storage Spaces with a large number of drives

I am wondering how one might go about designing a storage space for a large number of drives. Specifically I've got 45 x 4TB drives. As i am not extremely familiar with storage spaces, i'm a bit confused as to how I should go about designing this. Here is
how i would do it in hardware raid and i'd like to know how to best match this setup in Storage Spaces. I've been burned twice now by poorly designed storage spaces and i don't want to get burned again. I want to make sure if a drive fails, i'm able to properly
replace it without SS tossing it's cookies.
In the hardware raid world, i would divide these 45 x 4TB drives into three separate 15 disk Raid 6's. (Thus losing 6 drives to parity) Each raid 6 would show up as a separate volume/drive to the parent
OS. If any disk failed in any of the three raids, i would simply pull it out and put a new disk back in and the raid would rebuild itself.
Here is my best guess for storage spaces. I would create 3 separate storage pools each containing 15 disks. I would then create a separate
Dual Parity Virtual Disk for each pool. (Also losing 6 drives to parity) Each virtual disk would appear as a separate volume/disk
to the parent OS. Did i miss anything?
Additionally, is there any benefit to breaking up my 45 disks into 3 separate pools? Would it be better to create one giant pool with all 45 disks and then create 3 (or however many) virtual disks on top of that one pool?

I am wondering how one might go about designing a storage space for a large number of drives. Specifically I've got 45 x 4TB drives. As i am not extremely familiar with storage spaces, i'm a bit confused as to how I should go about designing this. Here is
how i would do it in hardware raid and i'd like to know how to best match this setup in Storage Spaces. I've been burned twice now by poorly designed storage spaces and i don't want to get burned again. I want to make sure if a drive fails, i'm able to properly
replace it without SS tossing it's cookies.
In the hardware raid world, i would divide these 45 x 4TB drives into three separate 15 disk Raid 6's. (Thus losing 6 drives to parity) Each raid 6 would show up as a separate volume/drive to the parent
OS. If any disk failed in any of the three raids, i would simply pull it out and put a new disk back in and the raid would rebuild itself.
Here is my best guess for storage spaces. I would create 3 separate storage pools each containing 15 disks. I would then create a separate
Dual Parity Virtual Disk for each pool. (Also losing 6 drives to parity) Each virtual disk would appear as a separate volume/disk
to the parent OS. Did i miss anything?
Additionally, is there any benefit to breaking up my 45 disks into 3 separate pools? Would it be better to create one giant pool with all 45 disks and then create 3 (or however many) virtual disks on top of that one pool?
1) Try to avoid parity and esp. double parity RAIDs with a typical VM workload. It's dominated by small reads (OK) and small writes (not OK as whole parity stripe gets updated with any "ready-modify-write" sequence). As a result writes would be DOG slow.
Another nasty parity RAID characteristic is very long rebuild times... It's pretty easy to get second (third with double parity) drive failure during re-build process and that would render the whole RAID set useless. Solution would be to use RAID10. Much safer,
faster to work and rebuild compared to RAID5/6 but wastes half of raw capacity...
2) Creating "islands" of storage is an extremely effective way of stealing IOPS away from your config. Typical modern RAID set would run out of IOPS long before running out of capacity so unless you're planning to have a file dump of an ice cold data or
CCTV storage you'll absolutely need all IOPS from all spindles @ the same time. This again means One Big RAID10, OBR10.
Hope this helped a bit :) Good luck!
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

Business connector scheduler gets hanged and Next run value is large number

Hi All,
I see the scheduler in business connector gets hanged and the Next run value shows huge/large number like 9223370831700598.0 sec. Please can anyone suggest what can be done.
Currently BC ver is 4.7. The problem gets resolved every time when i restart the server.

Hi,
Not aware of the reason though, I guess you must be using the simple scheduled tasks.
Try using complex reapting tasks where you specify days , minutes etc.
It should work fine.
Hope it helps. Reward if useful.
Regards,
Siddhesh S.Tawate

Large Number of Lync Conference Session Failures Every 3 Minutes

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