Ok yesterday we migrated our dhcp server from 2003r2 to 2008r2. I followed MS guide to do this migration successfully.
After migration was complete the machines could get leases. One problem noticed later was users could not get vpn access and I forgot to change that setting in the ASA for the connection. After making this change clients were able to get Leases on VPN.
Today I come in and no one on VPN can get a lease anymore roughly after 8AM and nothing has changed. Any ideas is there something that changed regarding 2008r2 that is keeping me from getting a lease?
One thing to note that is also different.
On this scope where I'm having problems I can't delete records. When I go to delete a record it gives me an error saying:
The following error occurred while deleting the record xxx.xxx.xxx.xxx:
An error occurred while accessing the DHCP database. Look at the DHCP server event log for more information on this error.
What I can't find is anything related to this in any log.
C:\Windows\System32\dhcp\DhcpSvrLog-Thu also does not show anything in it regarding these deletes.