At least one attempt to reference stale (non-existent or deleted) security association was detected. There were %2 messages ...

At least one attempt to reference stale (non-existent or deleted) security association was detected.

There were %2 messages with signature that referenced stale (non-existent or deleted) security association in the last %1 minutes. The last one was this SIP message:

%3

Cause: This could be due to users that utilize large number of devices (in excess of configured maximum), or due to connection refresh logic re-balancing remote users to a different director in a bank or a pool, or it could be due to an attacker.
Resolution:
None needed unless the failure count is high (>100). Check if number of allowed devices per user is too low for existing usage scenarios. Check your network for any rogue clients. Restart the server if problem persists.

Assigns the access rights granted during domain preparation to additional user and computer organizational units (OUs) in ... Associated Lync Server Archiving Server is able to read message from Message Queuing queue in time. Queue: %1 Acknowledgement ... Associated Lync Server Archiving Server is unable to read message from Message Queuing queue in a timely fashion. Queue: ... Associated Lync Server CDR Service is able to read message from MSMQ queue in time. Queue: %1 Acknowledgement class: %2. ... At least one attempt to reference stale (non-existent or deleted) security association was detected. There were %2 messages ... At least one authentication challenge response could not be sent back to a client. There were %2 of these failures in the ... At least one Front End Server or pool must exist before the Mediation Server can be defined. Please define a Front End Server ... At least one Front End Server or pool must exist before the Trusted Applications Server can be defined. Please define a Front ... At least one Front End Server or pool must exist in the central site before a Survivable Branch Appliance can be defined. ...