Process %1 (PID=%2). Exchange Active Directory Provider is unable to connect to the Domain Controller %3 although its service ...

Process %1 (PID=%2). Exchange Active Directory Provider is unable to connect to the Domain Controller %3 although  its service location (SRV) resource record was found in the DNS 
  The query was for the SRV record for %4
  The following domain controllers were identified by the query:
%5
  Common causes of this error include:
  - Host (A) records that map the name of the domain controller to its IP addresses are missing  or contain incorrect addresses.
  - Domain controllers registered in DNS are not connected to the network or are not running.
  For information about correcting this problem,  %6%7

Process %1 (PID=%2). Exchange Active Directory Provider has detected that the following Global Catalog servers in the local ... Process %1 (PID=%2). Exchange Active Directory Provider has discovered the following servers with the following characteristics: ... Process %1 (PID=%2). Exchange Active Directory Provider invokes the callback %3 for change notification to '%4'. Reason: ... Process %1 (PID=%2). Exchange Active Directory Provider is unable to connect to any domain controller in domain %3 although ... Process %1 (PID=%2). Exchange Active Directory Provider is unable to connect to the Domain Controller %3 although its service ... Process %1 (PID=%2). Exchange Active Directory Provider lost contact with domain controller %3. Error was 4 (%6) (%5). Exchange ... Process %1 (PID=%2). Exchange Active Directory Provider needs to close a connection to the Domain Controller %3 due to error ... Process %1 (PID=%2). Exchange Active Directory Provider received a request to connection to domain controller %3 but that ... Process %1 (PID=%2). Exchange Active Directory Provider will use the Configuration Domain Controller (%3) specified in a ...