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The HP Community is where owners of HP products, like you, volunteer to help each other find solutions.
HP Recommended

I'm trying to get auto discovery working for CMA, but I'm getting stuck in a "Unable to connect to the provisioning server" message. I run Wireshark and see the request from my computer to the DNS asking "Standard query SRV _cmaconfig._tcp", but the DNS responds with "no such name".

 

Attached is a screen cap of how my DNS admin configured the service. The text in the admin guide says I should have something like this: "__cmaconfig._tcp.wvus.org 86400 IN SRV 0 0 443 vtc.wvus.org". 

 

Any hints where i messed up? 

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

Hello NoSatrun,

 

welcome to the Polycom community.

 

It looks like you are using two __ lines rather than just one _

 

Best Regards

 

Steffen Baier

------------------------------------------------
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN

View solution in original post

6 REPLIES 6
HP Recommended

Hello NoSatrun,

 

welcome to the Polycom community.

 

It looks like you are using two __ lines rather than just one _

 

Best Regards

 

Steffen Baier

------------------------------------------------
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
HP Recommended

Thanks Steffen. I followed the CMA doc with a copy and paste 🙂

 

 

I removed the extra "_" but find the same thing. Attached is the wireshark of the two marked frames. It is starting to look to me like the DNS is checking an external name server for this. 

 

Am I right? if so, what do I tell my DNS admin? If not, ?

HP Recommended

You are right, the dns lookup is going to the root DNS servers:

 

_cmaconfig._tcp..!............@.a.root-servers.net..nstld.verisign-grs.com

 

Your domain name is missing from the service lookups. I would check to see if the PC is part of a domain or not. You can also look the TCP/IP properties of the network connection you are using. There is a DNS tab which has some options about adding a suffix (aka you domain name). I would try this first and repeat your tests.

 

S.

HP Recommended

gaaaaaaaaa

 

yeah, my test bot was not on the domain. tried it from my box and it works. 

 

Thanks!

HP Recommended

Hi Steffen,

 

I am having this same issue. I have deployed two CMA4000 servers, and the CMA desktop clients cannot Auto Register with any of the CMA Servers. This is after creating a DNS Service Entry for them. The string we used is this:

 

__cmaconfig._tcp.nlng.net 86400 IN SRV 0 0 443 NLNGVCCMA001.nlng.net

 

where NLNGVCCMA001 is the server's DNS name.

 

Is there any issue with the string?

 

Kindly assist.

 

Best Regards

Ismail

 

 

HP Recommended
Hello Ismail,

See my original reply to the topic starter.

Two __ underscore instead of _ one.

Best regards

Steffen Baier
------------------------------------------------
Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
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