Your customer recently installed Microsoft Lync Server 2013 in his company network and he is migrating users from Office Communications Server (OCS) 2007 R2.
Some users who have been moved to Lync server but still have the OCS client installed report that they receive the following error when trying to connect: “Microsoft Office Communicator 2007 R2 is not a version that can be used to sign in to the server. Please contact your system administrator to get the required version.”
You need to ensure that Microsoft Office Communicator 2007 R2 clients can connect to the Lync server.
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A. Run the Set-CsClientVersionConfiguration -Enabled $false cmdlet.
B. Install the latest Microsoft Office Communicator 2007 R2 update.
C. Run the Get-CsClientVersionPolicyRule | Where-Object {$_.UserAgent -eq “CPE”} | Set- CsClientVersionPolicyRule -MajorVersion 0 -MinorVersion 0 -BuildNumber 0 -Action Allow cmdlet.
D. Enter a new registry entry on the client computers:
HKEY_CURRENT_USERSoftwarePoliciesMicrosoftCommunicator Name: DisableServerCheck Type: DWORD Value: 1 (00000001)
