Lync Persistent Chat Service Stopping – 53503 Unexpected DB Version

After I added the persistent chat role to a Standard Edition Front End Server the service was stopping unexpectedly. There was an error in the event viewer 53503 Unexpected DB Version I ran the Lync Update Installer and noticed that the persistent Chat role was not up to date I started the persistent chat service … Continue reading Lync Persistent Chat Service Stopping – 53503 Unexpected DB Version

Lync 2013 issue sending IM to external / federated contacts from OWA in Exchange 2013

Had an issue today where i couldn't send an IM to a federated contact from OWA on Exchange Online and Onprem 2013. If a federated contact sent me an IM i received the IM in OWA, clicked accept and i could send and receive IMs successfully. but If i initiated the conversion to the federated … Continue reading Lync 2013 issue sending IM to external / federated contacts from OWA in Exchange 2013