Monday, November 11, 2013

"Sharing failed due to network issues" - "Not Implemented" in the lync client log

Problem
"Sharing failed due to network issues"
when a user tries to share with anyone.

Diagnostics
This appears to only happen when the user logs into lync without being connected to the VPN. If they connect to the VPN then everything is fine.

I had the user run a client side log and send it to me.

I saw the following entry:
SIP/2.0 501 Not Implemented

Ms-diagnostics: 9008;source="edgeserver.domain.com";reason="Version not supported";component="MediaRelayEdge"
Ms-diagnostics-public: 9008;source="edgeserver.domain.com";reason="Version not supported";component="MediaRelayEdge"


<?xml version="1.0"?> <response xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" requestID="522043072" version="2.0" serverVersion="2.0" to="sip:lyncedge.domain.com@domain.com;gruu;opaque=srvr:MRAS:if1-iWfHUV-Iz_Qv9m5atgAA" from="sip:username@domain.com" reasonPhrase="Version Mismatch" xmlns="http://schemas.microsoft.com/2006/09/sip/mrasp" />

When i look at the call before this error i see

<request xmlns="http://schemas.microsoft.com/2006/09/sip/mrasp" requestID="1138340784" version="3.0" 

 It's expecting version 2.0 but the client is using version 3.0 in the call.

Solution
The user is using the Lync 2013 client, whereas the server is Lync Server 2010. This seems to indicate the 2013 client does not work in this situation with 2010. The resolution, unless Microsoft releases a patch, is to uninstall the 2013 client and have them use 2010 client instead.

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