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Global Catalog issue

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Global Catalog issue - 19.Oct.2011 11:09:29 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		I have two domain controller in my organization
DC01
10.0.0.16/24 with DNS as 10.0.0.16 and 10.0.0.17
DC02
10.0.0.17/24 with DNS as 10.0.0.17 and 10.0.0.18

I have two servers installed with CAS Role installed with
CAS-01
172.17.17.11/24 with DNS as 10.0.0.16 and 10.0.0.17
CAS 02
172.19.19.11/24 with DNS as 10.0.0.16 and 10.0.0.18

Also I have MB/HT servers installed in DAG
MB-01
172.20.20.15/24 with DNS as 10.0.0.16 and 10.0.0.17
MB-02
172.20.20.16/24 with DNS as 10.0.0.16 and 10.0.0.17
and separate NIC for replications as
10.0.0.10
10.0.0.11

Now the issue is that once first domain controllers goes offline for any reason, users are not able to access the mailbox. when I checked the event log for Event number 2080 I have seen both my DC are getting detected

I even tried setting static configuration using
set-exchangeserver
but what I observed that one of the CAS shows
StaticGlobal Catalog as well as StaticDomain Controller as both the DC and also it shows current Globalcatalog and StaticDomain Controller as both the DC but same is not true for CAS-02 and MB-01 & MB-02

Can somebody explain me what kind of issue this can be ??

< Message edited by ermanishchawla -- 19.Oct.2011 11:11:06 AM >
Post #: 1
RE: Global Catalog issue - 19.Oct.2011 11:32:25 AM   
de.blackman

 

Posts: 3542
Joined: 4.Apr.2005
From: Toronto, Canada
Status: offline 		I am not sure but it sounds like a permission issue. Can you please post the 2080 event from your application log?


_____________________________

Ibrahim Benna - Microsoft Exchange MVP
Forum Moderator
Navantis
@IbrahimBenna

(in reply to ermanishchawla)
Post #: 2
RE: Global Catalog issue - 19.Oct.2011 11:37:57 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		DC-02
CDG177101101
DC-01
CDG177101171

(in reply to de.blackman)
Post #: 3
RE: Global Catalog issue - 19.Oct.2011 11:40:21 AM   
de.blackman

 

Posts: 3542
Joined: 4.Apr.2005
From: Toronto, Canada
Status: offline 		Hi, Ummm do you mind copying the ENTIRE message please?

Also try rerunning Exchange setup with the /PrepareDomain switch. This will reset the permissions on the domain controllers (will not affect your existing user connections)!

< Message edited by de.blackman -- 19.Oct.2011 11:44:35 AM >

_____________________________

Ibrahim Benna - Microsoft Exchange MVP
Forum Moderator
Navantis
@IbrahimBenna

(in reply to ermanishchawla)
Post #: 4
RE: Global Catalog issue - 19.Oct.2011 12:44:08 PM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		Will paste the entire log soon .. as currently out of office 

(in reply to de.blackman)
Post #: 5
RE: Global Catalog issue - 19.Oct.2011 11:13:39 PM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		Event 2080
Process MSEXCHANGEADTOPOLOGYSERVICE.EXE (PID=4676). Exchange Active Directory Provider has discovered the following servers with the following characteristics:
(Server name | Roles | Enabled | Reachability | Synchronized | GC capable | PDC | SACL right | Critical Data | Netlogon | OS Version)
In-site:
dc-02.localdomain    CDG 1 7 7 1 0 1 1 0 1
dc-01.localdomain    CDG 1 7 7 1 0 1 1 7 1
Out-of-site:

PS: Name of the domain controller is suitably modified

(in reply to ermanishchawla)
Post #: 6
RE: Global Catalog issue - 20.Oct.2011 9:28:24 AM   
de.blackman

 

Posts: 3542
Joined: 4.Apr.2005
From: Toronto, Canada
Status: offline 		It looks like DC-2 doesnt have the required "netlogon" permission. Go ahead and run the exchange setup with the /PrepareDomain switch.

_____________________________

Ibrahim Benna - Microsoft Exchange MVP
Forum Moderator
Navantis
@IbrahimBenna

(in reply to ermanishchawla)
Post #: 7
RE: Global Catalog issue - 20.Oct.2011 9:32:18 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		Sir its a production system, whether using preparedomain switch halts any service or remove any custom roles etc. As I have not tested this switch on production system before? can you suggest me precautions to be taken care

(in reply to de.blackman)
Post #: 8
RE: Global Catalog issue - 21.Oct.2011 9:49:05 AM   
de.blackman

 

Posts: 3542
Joined: 4.Apr.2005
From: Toronto, Canada
Status: offline 		No issues at all! This is not going to stop any services on any server and it is not going to remove any roles or settings...this task will simply check for the valid permissions and add them for exchange - perfectly safe to run in production.

_____________________________

Ibrahim Benna - Microsoft Exchange MVP
Forum Moderator
Navantis
@IbrahimBenna

(in reply to ermanishchawla)
Post #: 9
RE: Global Catalog issue - 21.Oct.2011 9:50:10 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		Thanks Sir :)

(in reply to de.blackman)
Post #: 10
RE: Global Catalog issue - 1.Nov.2011 2:55:44 AM   
ludy

 

Posts: 3
Joined: 1.Nov.2011
Status: offline 		Will paste the entire log soon .. as currently out of office 

(in reply to de.blackman)
Post #: 11
RE: Global Catalog issue - 1.Nov.2011 7:41:19 AM   
shanmarsh1

 

Posts: 139
Joined: 13.Sep.2011
Status: offline 		how many dcs do you have , and how many of this dcs are running exchange.
when you said the dc failed what error messages are you getting . Make sure
the dns server works fine .If you have another server promote the server and make it a global catalog .


Body Armour | Safeguard Clothing

(in reply to ermanishchawla)
Post #: 12
RE: Global Catalog issue - 2.Nov.2011 9:51:24 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		I have tried preparing domain again using setup.com /preparedomain switch but after this also the event 2080 shows the same value


We have two GC's configured for a single domain only
We have two MB+HT+CAS servers in DAG
We have two CAS Servers one on internet facing & one on Intranet
We have two Edge Servers

(in reply to shanmarsh1)
Post #: 13
RE: Global Catalog issue - 3.Nov.2011 10:27:47 AM   
shanmarsh1

 

Posts: 139
Joined: 13.Sep.2011
Status: offline 		I will start with a system overview. We have a parent/child domain setup. For
example the parent domain is parent.com and the child is child1.parent.com.
There are two domain controllers in parent.com and two in child.parent.com. A
glabal catalog server exists in the parent and child. We have one site
because the links are fast.

(in reply to ermanishchawla)
Post #: 14
RE: Global Catalog issue - 3.Nov.2011 11:20:02 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		So what is the issue you are facing ??

(in reply to shanmarsh1)
Post #: 15
RE: Global Catalog issue - 15.Nov.2011 8:26:11 AM   
ermanishchawla

 

Posts: 125
Joined: 12.Jul.2011
Status: offline 		Finally got that resolved !!

(in reply to ermanishchawla)
Post #: 16

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