Seeing this error error in the event logs.
Failed to update object Objectname. In Collection <collection Name> Code 0x800040420 .NO_OBJECT . Object does not exist.
Seeing this in AdReceiver.log
1/06 08:49:01:820 | SubscriberStatisticsHo...(138) | 3040 | Updating subscriber statistics
21/06 08:50:02:597 | RUS.cpp(120) | 4672 | Entering CRUS::Alarm
21/06 08:50:02:597 | RUS.cpp(121) | 4672 | Cookie=34
21/06 08:50:02:597 | RUS.cpp(301) | 4672 | Entering CRUS::Process
21/06 08:50:02:597 | RUS.cpp(315) | 4672 | Entering CRUS::ProcessAB
21/06 08:50:02:597 | RUS.cpp(316) | 4672 | Process AB CN=Default Global Address List,CN=All Global Address Lists,CN=Address Lists Container,CN=RBMC,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=RBMC,DC=ORG AB filter:(&(mailNickname=*)(|(objectClass=user)(objectClass=contact)(objectClass=msExchSystemMailbox)(objectClass=msExchDynamicDistributionList)(objectClass=group)(objectClass=publicFolder)))
21/06 08:50:02:597 | RUS.cpp(142) | 4672 | Entering CRUS::GetDomainConnection
21/06 08:50:02:597 | RUS.cpp(142) | 4672 | Exiting CRUS::GetDomainConnection
21/06 08:50:02:613 | RUS.cpp(315) | 4672 | *** EXCEPTION Exiting CRUS::ProcessAB
21/06 08:50:02:613 | RUS.cpp(301) | 4672 | *** EXCEPTION Exiting CRUS::Process
21/06 08:50:02:613 | RUS.cpp(120) | 4672 | *** EXCEPTION Exiting CRUS::Alarm
21/06 08:50:02:613 | FileLoggerErrHandling.h(33) | 4672 | 0x80040420 Object does not exist.[EIP: 0x040DFCD3,0x040DF6FC][EIP: 0x04B6AB6A,0x04B6E73D]