Up until last night we had the corporate directory working just fine. This morning our corporate directory is missing from all of the phones and I can't seem to find the source of the problem. We have to LDAP servers available and they appear to be working okay. I restarted the data collection service on the Callmanagers but no success yet.
One LDAP server is a 2003 server and the other is a 2008 server.
It sounds to me like it's not a problem with the LDAP Sync (DirSync) but rather the phone service (corporate directory service) itself. What is your Directories URL set to under Enterprise Parameters? If you have a hostname instead of IP address did something happen to the DNS server the phones are using, a change possibly so the name cannot be resolved any longer? Otherwise I would think that it's possibly a connectivity problem to the directories URL from the phone using HTTP which is causing it to not even be displayed on the phone under Missed Calls, Placed Calls, Received Calls.
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