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White board error when sharing session in live meeting: "Content failed to download due to a problem with the conference center RRS feed

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    White board error when sharing session in live meeting: "Content failed to download due to a problem with the conference center configuration" OCS 2007

     

    Has anyone found a workaround for this issue.. Everything else works
    perfectly except the white board function in OCS 2007 (live meeting).

    Thanks

     

    Thursday, November 8, 2007 4:38 PM

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    You need to make sure that your IIS is configured to use HTTPS that is not configured by default

    So you must tell IIS to use the same certificate as the OCS server

     

    Deli

     

    Friday, November 9, 2007 12:09 AM
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     Deli Pro-Exchange wrote:

    You need to make sure that your IIS is configured to use HTTPS that is not configured by default

    So you must tell IIS to use the same certificate as the OCS server

     

    Deli

     

     

     

    I've configured our OCS server via the snapin.. under the server name properties.. in this case.. ServerA.domain.local.. certifcate shown says "ServerDC".. I've even re-ran the certificate importer and chose the ServerA.domain.local certificate (issued by ServerDC).. it then appears as "name:  ServerDC".. is this normal or should it really say ServerA.domain.local...

     

    I went into IIS, default web site and verified the certificate was the same one.. and it is...

     

    Does this configuration sound amiss?:  would this be why the white board feature doesnt work (everything else does)?

     

    I should add that ServerDC is the DC (not an enterprise CA) that authorized the ssl certificate.. i do have an Enterprise CA.. i also tried using the ssl cert authorized by that one.. on both the OCS console and default web site.. with the same white board error..  (for the name.. in the OCS info.. the cert has.. name:  Backup01 (the name of the ENT CA) when i try this certificate).

     

    I also dont think i configured the cert properly the first time.. for the second time around, going through the ENT CA.. i chose "ServerA" for the friendly name.. then for the subject name put ServerA.domain.local.. i didnt put anything for SAN.. should this entry be sip.domain.local?

    *As of yet we dont have an edge server.. its just one internal OCS server behind a firewall..

     

    I also should mention that all our clients, behind the firewall are configured to use TCP for the protocol, not TLS..

     

    I dont know if this matters as well.. but our sign in address is user@domain.com , while our actual domain is .. domain.local

     

    Thanks

    Friday, November 9, 2007 2:40 AM
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    If you check the certificate it needs to be serverA.domain.local and it needs to be the FQDN

    Issued by should be your internal CA

    Issued to must be the servers FQDN

     

    You can have SANs like sip.domain.local but not required

     

    You should verify that clients can use TLS otherwise you work arround certificate problems

     

    Deli

    Friday, November 9, 2007 4:07 PM
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     Deli Pro-Exchange wrote:
    If you check the certificate it needs to be serverA.domain.local and it needs to be the FQDN

    Issued by should be your internal CA

    Issued to must be the servers FQDN

     

    You can have SANs like sip.domain.local but not required

     

    You should verify that clients can use TLS otherwise you work arround certificate problems

     

    Deli

     

    What should i be putting for the SAN name if i dont use sip.domain.local (we dont have this one as a dns entry)?

     

    Would this be the external name wan1.domain.com?

     

    I tried using TLS internally.. this works fine.. tried two machines with TLS .. white board still gave the error..

     

     

    Friday, November 9, 2007 4:28 PM
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    You don't really need a SAN

    Just take sip.domain.local or just leave it blank

    don't use an external name

     

    You should verify the URL for web conferencing content and try to load it in Internet Explorer

     

    Deli

     

    Friday, November 9, 2007 4:56 PM
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    I redid things.. just using server.domain.local for the SAN this time.. same thing, even with TLS..

     

    What url would i use as a test?  I do know that all other features of live meeting work fine..

     

     

    Friday, November 9, 2007 5:03 PM
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    Check the settings on your pool : Meeting settings

    should be something similar to : https://server.domain.com/etc/place/null

     

    Copy and past into IE and verify if the certificate comes back fine

    Maybe authentication settings on the website are not correct

     

    Deli

     

    Friday, November 9, 2007 5:13 PM
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     Deli Pro-Exchange wrote:

    Check the settings on your pool : Meeting settings

    should be something similar to : https://server.domain.com/etc/place/null

     

    Copy and past into IE and verify if the certificate comes back fine

    Maybe authentication settings on the website are not correct

     

    Deli

     

     

    I'm not sure where you meant to check for settings on the pool? Or which settings to check.. under server global props.. i do have meetings set to allow users to invite anonymous and default policy is set and enabled.

     

    I tried https://serverA.domain.local/etc/place/null

     

    It gave me HTTP Error 403.2 - Forbidden: Read access is denied.    on the page cannot be displayed page.. I looked in IIS, i see this folder

     

    It appears to have "read" access in IIS anyway...

     

    Friday, November 9, 2007 5:37 PM
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    Go to your pool and view the status on the right and then  Meeting Settings should give your the url

     

    Anonymous meetings does not have anything to do with this problem

     

    Did you receive a certificate warning?

    Check if URL is correct => Meeting settings

     

    Deli

     

    Friday, November 9, 2007 5:42 PM
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     Deli Pro-Exchange wrote:

    Go to your pool and view the status on the right and then  Meeting Settings should give your the url

     

    Anonymous meetings does not have anything to do with this problem

     

    Did you receive a certificate warning?

    Check if URL is correct => Meeting settings

     

    Deli

     

     

     

    I found the settings area.. thanks.. I tried the url..  again.. this time i get http 403 forbidden..

     

    I checked, the directory is set to integrated and anonymous for security in IIS..

     

    Its referencing this location as well:

    C:\Program Files (x86)\Microsoft Office Communications Server 2007\Web Components\Data MCU Web\Web

     

    I'm wondering if maybe a security setting is amiss in there?

     

    (This is being run on x64 2003)..

     

    Btw.. this page does come up just fine:  https://serverA.domain.local/Etc/Place/Null/SlideFiles/Blank.png

    Friday, November 9, 2007 6:39 PM
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    It is normal that you receive the 403 error because there is nothing there

     

    The check was to see if you receive a certificate warning

    So I guess you had no certificate issues?

     

    Can you now try the conferencing again?

     

    Deli

     

    Friday, November 9, 2007 7:14 PM
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     Deli Pro-Exchange wrote:

    It is normal that you receive the 403 error because there is nothing there

     

    The check was to see if you receive a certificate warning

    So I guess you had no certificate issues?

     

    Can you now try the conferencing again?

     

    Deli

     

     

    Nope.. no certificate issues..

     

    I retried again.. same error.. I also get this same error when doing screen shot sharing and upload file sharing.

     

    **I should mention, probably not related, but on bootup.. the Web conferencing service gives me an error in the eventviewer related to it "hanging".. though it does eventually kick in, but takes about 12 minutes on a reboot.

     

     

    Friday, November 9, 2007 7:25 PM
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    This must be related to the : Internal URL for meeting content download

    Because all the things that you mention need the download URL

     

    Deli

     

    Friday, November 9, 2007 7:41 PM
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     Deli Pro-Exchange wrote:

    This must be related to the : Internal URL for meeting content download

    Because all the things that you mention need the download URL

     

    Deli

     

     

    You mean this one:  https://serverA.domain.local/etc/place/null  ?

     

    The page doesnt give a certificate error though..

     

    What else should i be looking for..

     

     

    Cheers

    Friday, November 9, 2007 7:45 PM
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     Deli Pro-Exchange wrote:

    This must be related to the : Internal URL for meeting content download

    Because all the things that you mention need the download URL

     

    Deli

     

     

    Any ideas on what else to try to check for to get this working?

     

    Cheers

    Monday, November 12, 2007 4:56 PM
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    Not sure if you figured this out.  I had the same problem with whiteboarding and trying to view a presentation after upload as a remote user only.  This problem for me was using a company provided laptop which has proxy server settings.  When the client was redirected to download the addess book, expand DL's use whiteboard, and view presentations.  I setup the machine to bypass the proxy for my known addresses that when through ISA.

     

    Monday, December 17, 2007 4:47 PM
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    In Internet Explorer, go to Tools, Internet Options, Advanced, Use TLS 1.0

     

    Make sure that puppy is checked!!!!

    • Proposed as answer by Miatke Tuesday, March 31, 2009 1:36 AM
    Wednesday, December 19, 2007 10:23 PM
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    I had the same issue, except only when trying to share a "ScreenShot".

    I checked all the obvious things:

    - Proxy server exception
    - IIS logs (I got 403 errors when trying to go to the site directly...)
    - Traces - I saw traffice going to and from the server just fine.

    What was interesting was that the RTCGuestAccessUser was the account being used for anonymous access to the Etc/Place/Null/FILETREE access.

    Reset the password, and the problem went away. 

    Hope this helps someone.

    Cheers.

    - Steve
    Tuesday, December 16, 2008 7:20 PM