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I have configured a Lync system which is successfully working with the Lync windows client.

I followed the instructions at http://blog.schertz.name/2010/12/configuring-lync-server-for-phone-edition-devices/ and was able to successfully configure DHCP and DNS. I tested with:

DHCPUtil -EmulateClient

and

Test-CsPhoneBootstrap

Which both returned successfully.

However, when entering the same details which worked on Test-CsPhoneBootstrap on a Polycom CX500, I get the error:

"An account matching this phone number cannot be found. Please contact your support team."

There is also a very quick flash of an error which I managed to capture on video:

"Account used is not authorized. Please contact your support team."

This appears very briefly before the error above remains on the screen.

In my Lync logs, there is only a single line logged for the device:

2012-05-23 04:37:51 10.8.0.111 POST /CertProv/CertProvisioningService.svc/anon - 80 - 10.8.32.6 OCPhone/4.0.7577.250+(Microsoft+Lync+2010+Phone+Edition) 200 0 0 7

There is nothing else logged for the IP address of the phone.

What I've tried

I've found very few reports on the Internet of similar problems. Tried solutions:

Factory reset

I booted the phone holding 4 and 6, and chose the option to reset it.

Upgrade the firmware

I imported and approved the latest firmware. However, it seems the phone will not update if it cannot sign in.

Don't use a wildcard certificate

http://blog.schertz.name/2011/02/lync-phone-edition-incompatible-wildcard-certificates/ Our internal certificates are not wildcard certificates. They are created by our certificate server.

Has anyone else come across this before? Any tips?

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1 Answer 1

If the Schannel send the truncated list of trusted root certificate authorities to the Lync phone edition during the TLS/SSL handshake process. Please try to configure the Schannel does not send the list on the Lync FE server and check the problem occurs again.:

  1. Click Start, click Run, type regedit, and then click OK.Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL

  2. On the Edit menu, point to New, and then click DWORD Value.Type SendTrustedIssuerList, and then press ENTER to name the registry entry.

  3. Right-click SendTrustedIssuerList, and then click Modify.In the Value data box, type 0 if that value is not already.

  4. Exit Registry Editor and reboot the server.

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