Re: Domain controller Stop functioning

Machine is HP Box. I remove most of the patches and agents.
Machine has FSMO role of Infrastructure master, PDC emulator, and rid master.
On machine runs DNS with AD integrated zone. WINS server and Enterprise CA.
There is GFI NSM on it and nothing else.
There is Exchange 2000 ES, on machine and nothing else.

There is no prolong CPU spikes, and memory is well about 300MB of free
Physical memory…
I did on thing with this machine. I transferred all roles to other DC. I
demote computer and promote it back. When I promote it back, I first
transferred GC to these machine and it works , than I transferred PDC and RID
master and it did not hangs, but DC2 start acting like DC1, that hang now.
When I switch GC and Infrastructure master, DC1 start hanging, and DC2 ,
start to work ok.

There is no distinguishing errors, only related to Non functioning AD on DC.

Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 5720
Date: 23.08.2005
Time: 14:17:29
User: N/A
Computer: DC1
Description:
The session setup to the Windows NT or Windows 2000 Domain Controller
\\adc1.albatros.root.local for the domain ALBATROS failed because the
computer DC1 does not have a local security database account.
Data:
0000: 8a 01 00 c0 Š..À


Event Type: Warning
Event Source: W3SVC
Event Category: None
Event ID: 100
Date: 23.08.2005
Time: 14:15:44
User: N/A
Computer: DC1
Description:
The server was unable to logon the Windows NT account 'IUSR_DC1' due to the
following error: Logon failure: unknown user name or bad password. The data
is the error code.
For additional information specific to this message please visit the
Microsoft Online Support site located at:
http://www.microsoft.com/contentredirect.asp.
Data:
0000: 2e 05 00 00 ....



Event Type: Warning
Event Source: NtFrs
Event Category: None
Event ID: 13562
Date: 23.08.2005
Time: 13:12:11
User: N/A
Computer: DC1
Description:
Following is the summary of warnings and errors encountered by File
Replication Service while polling the Domain Controller DC1.root.local for
FRS replica set configuration information.

Error searching DS with filter (objectCategory=*) under cn=dc2,ou=domain
controllers,dc=root,dc=local. Error returned : Server Down

Event Type: Error
Event Source: NtFrs
Event Category: None
Event ID: 13526
Date: 23.08.2005
Time: 13:12:09
User: N/A
Computer: DC1
Description:
The File Replication Service cannot replicate d:\winnt\sysvol\domain with
the computer DC2 because the computer's SID cannot be determined from the
distinguished name "cn=dc2,ou=domain controllers,dc=root,dc=local".

The File Replication Service will retry later.

Event Type: Warning
Event Source: NTDS General
Event Category: Global Catalog
Event ID: 1655
Date: 23.08.2005
Time: 12:07:59
User: Everyone
Computer: DC1
Description:
The attempt to communicate with global catalog \\DC2.root.local failed with
the following status:

There are no more endpoints available from the endpoint mapper.

The operation in progress might be unable to continue. The directory
service will use the locator to try find an available global catalog server
for the next operation that requires one.

The record data is the status code.
Data:
0000: d9 06 00 00 Ù...




On that doe not add up :
Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 5783
Date: 23.08.2005
Time: 14:30:10
User: N/A
Computer: DC1
Description:
The session setup to the Windows NT or Windows 2000 Domain Controller
\\adc1.albatros.root.local for the domain ALBATROS is not responsive. The
current RPC call from Netlogon on \\DC2 to \\ adc1.albatros.root.local has
been cancelled.


>From errors, the only one that stand up is
Event Type: Warning
Event Source: NTDS General
Event Category: Global Catalog
Event ID: 1655
There are no more endpoints available from the endpoint mapper

I`m little confused, is DC2 down or DC1 down ? GC is on DC2.

.

Relevant Pages

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