Some users are unable to login and the following appears in the LAC log: "User retrieved from DB: \, based on SIP:"

Owned by Agat Support
Last updated: Apr 06, 2022 by Avi J. Levin (Unlicensed)
1 min read
Symptoms
  • Some users are not able to sign in to Skype for Business 
AND
  • Registration Method is set to "Automatic Registration"
AND
  • The following appear in the Lync_Access_Control log: "User retrieved from DB: \, based on SIP"
AND
  • LAC filter version is lower than 2.7.1.0

Solution

Upgrade the Lync_Access_Control.dll to version 2.7.1.0 or greater