Lync 2010 CU update Failed to create database rtcdyn number: -2147216320

Hi Readers, Want to share the issue that We faced during Lync 2010 CU update. Below error was logged :- ———————————————————————————————— Not a major upgrade; using existing file and log file paths for dynamic database Using existing dyndb path of X:\mssql\prod\data Using existing dynlog path of Y:\mssql\prod\data Opened database rtcdyn Restricting access and dropping database.…

Appear Offline Status On Lync Client

Hi Readers, Today I am sharing a TIP on how to show Appear Offline Status on Lync Client: On the machine where Lync Client is installed, open registry editor 1. Run Regedt32 2.  Go to Path “HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Communicator” 3. Create a Dword EnableAppearOffline 4. Set the Decimal Value to 1. Now When you can relaunch Lync & you will…

Lync Control Panel is not opening HTTP Error 401.1 – Unauthorized

Hi Readers, Just sharing a situation where after migration of Lync servers to New datacenter We started getting intermittent errors in Lync Control panel. The only change was server ip addreses. Below is the resolution that we had done: Edited the below key under: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0 BackConnectionHostNames (Multi-String) If it doesn’t exist in your environment just create…

Communicator/Lync Presence in outlook stopped working

Hi Readers, Some of the users reported that their Communicator/Lync  Presence in outlook stopped working. On further analysis  it is found that users have installed another IM client (Cisco Jabber) for testing purposes. There is a registry key that gets set when another IM client is installed. HKEY_CURRENT_USER\Software\IM Providers DefaultIMApp:  We have uninstalled the Jabber client &…