I have one doamin controller and an exchange 2010
the domain controller has been shutdown unexpectedly
running dcdiag I got the following error
Testing server: Default-First-Site-Name\DC
Starting test: Connectivity
The host d0809978-b55d-47c4-af00-1a039773f55f._msdcs.marg.local could
not be resolved to an IP address. Check the DNS server, DHCP, server
name, etc.
Got error while checking LDAP and RPC connectivity. Please check your
firewall settings.
......................... DC failed test Connectivity
******************************************************************
dcdiag /test:dns /v /s:<DCName> /DnsDynamicUpdate
//////////////////////////////////////////////////////////////////
Running enterprise tests on : marg.localStarting test: DNS
Test results for domain controllers:
DC: DC.marg.local
Domain: marg.local
TEST: Basic (Basc)
Error: No LDAP connectivity
Error: can't read network adapter information through WMI
Warning: The A record for this DC was not found
Warning: The AAAA record for this DC was not found
No host records (A or AAAA) were found for this DC
TEST: Records registration (RReg)
Error: Record registrations cannot be found for all the network
adapters
Summary of DNS test results:
Auth Basc Forw Del Dyn RReg Ext
_________________________________________________________________
Domain: marg.local
DC PASS FAIL n/a n/a n/a FAIL n/a
......................... marg.local failed test DNS
what shall I do