I have spent some time troubleshooting an alert from SCOM that ActiveSync was not working on all Exchange 2010 servers in an environment. The environment is currently in co-existence with Exchange 2016, with all client access services already pointed to 2016. Running the Test-ActiveSyncConnectivity cmdlet returned the following result: Test-ActiveSyncConnectivity -TrustAnySSLCertificate:$true | fl … ClientAccessServer
Continue reading Test-ActiveSyncConnectivity – 403 Forbidden at ‘Issue an HTTP OPTIONS command’