need assistance with a strange lync address book issue

siber1 used Ask the Experts™
hoping someone has a solution for this, for some reason, there are a few users in lync enviroment that are showing outdated phone numbers in their lync clients.

we are not pulling down a local copy of the address book, but rather the lync clients are getting the address book directly from the f/e servers.
i have run the update-addressbook command and even refreshed the directory copy on lync, however when i check the number of these users in the lync client, it still shows the old phone number.

not to complicate things futher, but when the lync client is closed [exited] the outlook 2010 mapi client [in offline mode] shows the correct phone number for this user, howeve when lync is launched, then outlook client then reverts as well to the outdated phone number.

any assistance would be appreciated.

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IT Manager
Top Expert 2010
Have you updated the lync client?


ended up removing the user and re-adding to clear.

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