Maybe you’ve bulk enabled some users, or you simply want to make sure it’s up to date. As a short cut you can actually type ‘cd c:\program files\microsoft office*’ to get the main directory, and then switch into ‘Server\Core’. There’s a single command line program that’s used for it. Generating the Address Book The address book files actually contain delta changes to the original syncronisation - it cuts down on the work/bandwidth etc.
Sometimes it’s worth doing a full regeneration - to do it run this command: abserver -regenur If you get this error you need to make sure your command prompt has elevated privileges - I.e. Create a short-cut to CMD.exe, right-click on it and select ‘Run as Administrator’.
Now, before you can syncronise this regeneration you must wait for it to finish. Well, look out for event ID 30028 - AB Entires are populated successfully.
You now need to move on and syncronise the Address Book files.
Due to various synching schedules, it can take up to 48 hours before you could actually see a change in Outlook after a modification has been made on the Exchange server or in Active Directory.
In this guide, the relevant timings are explained and instructions are given in how you can directly force an update and resync, which can be very handy when troubleshooting or when you work in an Exchange environment which sees a lot of user mailbox mutations.
This is called the Offline Address Book and is being generated on the Exchange server.By default all domains that are found will be replicated and will be replicated alphabetically from A to Z.If there are some domains that you don’t want to replicate to the Lync Address Book, use the Information of your users, contacts and groups is now in the Lync database.The command for the manual update procedure can be found here: Outlook will automatically download updates only unless the size of the changes is larger than 12.5% (one-eighth) of the total OAB size.In that case the whole OAB is being downloaded again.Troubleshooting these issues isn’t as easy as it looks.To better troubleshoot or change the information stored in the Lync Address Book, you need to be aware of all the steps it takes in creating the Lync Address Book.The next step is to create the actual address book files.These files are generated by the Front End with the Address Book Server task and stored in the Lync file share defined in your topology .Syncronising the Address Book To do this, run this command: abserver -syncnow This will sync all of the address book files for you. Communicator Address-Book Cache If you’re an Admin sometimes it’s worth checking you have the latest address book files - I.e.to check to make sure your bulk updates/new users are in it for example.