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#1
November 29th 06, 04:35 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
I'm trying to figure out how long it takes an Outlook client to switch over
from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. 
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#2
November 29th 06, 04:47 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
Exchange 2003:
At startup, DSAccess uses a discovery process to identify the Active Directory topology and assess the availability of domain controllers and global catalog servers. After startup is complete (and every 15 minutes thereafter), DSAccess uses an almost identical process to rediscover the topology and to check for any changes in server availability. Exchange 2003 Technical Reference Guide - Exchange Server 2003 & AD - Directory Integration and Exchange Server 2003 (DSAccess & Topology Discovery) http://www.microsoft.com/technet/pro...41f15939c.mspx Outlook: In case of unavailability of DC, you simply restart Outlook: XCLN: How MAPI Clients Access Active Directory http://support.microsoft.com/?kbid=256976 Also check DSProxy section in TechRef Guide: http://www.microsoft.com/technet/pro...c375e5948.mspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I'm trying to figure out how long it takes an Outlook client to switch over from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights.
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#3
November 29th 06, 05:07 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
I had hoped to find a way around the restart of Outlook, since that is what
we have been having our users do. On the Exchange server is there a way to find out which GC the Exchange server is using? I don't think I can assume it is the same as the logon server. I know how to find the GC on the Outlook client and where to find the current list of GC's available to the Exchange server, but haven't had any luck on determining which GC the Exchange (2003) server is using. Thanks for the assistance! -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Exchange 2003: At startup, DSAccess uses a discovery process to identify the Active Directory topology and assess the availability of domain controllers and global catalog servers. After startup is complete (and every 15 minutes thereafter), DSAccess uses an almost identical process to rediscover the topology and to check for any changes in server availability. Exchange 2003 Technical Reference Guide - Exchange Server 2003 & AD - Directory Integration and Exchange Server 2003 (DSAccess & Topology Discovery) http://www.microsoft.com/technet/pro...41f15939c.mspx Outlook: In case of unavailability of DC, you simply restart Outlook: XCLN: How MAPI Clients Access Active Directory http://support.microsoft.com/?kbid=256976 Also check DSProxy section in TechRef Guide: http://www.microsoft.com/technet/pro...c375e5948.mspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I'm trying to figure out how long it takes an Outlook client to switch over from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights.
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#4
November 29th 06, 05:20 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
Should be on the DSAccess tab of server properties in ESM.
Can also check LDAP (GC) connections to port 3268. Alternatively, can find out using WMI - using Exchange's DSAccessDC wmi class. http://msdn2.microsoft.com/en-us/library/aa143708.aspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I had hoped to find a way around the restart of Outlook, since that is what we have been having our users do. On the Exchange server is there a way to find out which GC the Exchange server is using? I don't think I can assume it is the same as the logon server. I know how to find the GC on the Outlook client and where to find the current list of GC's available to the Exchange server, but haven't had any luck on determining which GC the Exchange (2003) server is using. Thanks for the assistance! -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Exchange 2003: At startup, DSAccess uses a discovery process to identify the Active Directory topology and assess the availability of domain controllers and global catalog servers. After startup is complete (and every 15 minutes thereafter), DSAccess uses an almost identical process to rediscover the topology and to check for any changes in server availability. Exchange 2003 Technical Reference Guide - Exchange Server 2003 & AD - Directory Integration and Exchange Server 2003 (DSAccess & Topology Discovery) http://www.microsoft.com/technet/pro...41f15939c.mspx Outlook: In case of unavailability of DC, you simply restart Outlook: XCLN: How MAPI Clients Access Active Directory http://support.microsoft.com/?kbid=256976 Also check DSProxy section in TechRef Guide: http://www.microsoft.com/technet/pro...c375e5948.mspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I'm trying to figure out how long it takes an Outlook client to switch over from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights.
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#5
November 29th 06, 05:58 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
I have visitied the DSAccess tab in the past and I don't see where it
details how it is attached to a specific GC/DC for services. It appears to me to just show which servers are available. I can run a netstat -ano |find /i "3268" To see the connections but not sure what to make of it since it is using all the servers for connections. This is where my confusion arises. It appears that it is using multiple DC's/GC's for services. -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Should be on the DSAccess tab of server properties in ESM. Can also check LDAP (GC) connections to port 3268. Alternatively, can find out using WMI - using Exchange's DSAccessDC wmi class. http://msdn2.microsoft.com/en-us/library/aa143708.aspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I had hoped to find a way around the restart of Outlook, since that is what we have been having our users do. On the Exchange server is there a way to find out which GC the Exchange server is using? I don't think I can assume it is the same as the logon server. I know how to find the GC on the Outlook client and where to find the current list of GC's available to the Exchange server, but haven't had any luck on determining which GC the Exchange (2003) server is using. Thanks for the assistance! -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Exchange 2003: At startup, DSAccess uses a discovery process to identify the Active Directory topology and assess the availability of domain controllers and global catalog servers. After startup is complete (and every 15 minutes thereafter), DSAccess uses an almost identical process to rediscover the topology and to check for any changes in server availability. Exchange 2003 Technical Reference Guide - Exchange Server 2003 & AD - Directory Integration and Exchange Server 2003 (DSAccess & Topology Discovery) http://www.microsoft.com/technet/pro...41f15939c.mspx Outlook: In case of unavailability of DC, you simply restart Outlook: XCLN: How MAPI Clients Access Active Directory http://support.microsoft.com/?kbid=256976 Also check DSProxy section in TechRef Guide: http://www.microsoft.com/technet/pro...c375e5948.mspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I'm trying to figure out how long it takes an Outlook client to switch over from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights.
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#6
November 29th 06, 06:44 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
Yes, it load-balances the user context queries between different DCs shown
in the DSAccess tab. -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I have visitied the DSAccess tab in the past and I don't see where it details how it is attached to a specific GC/DC for services. It appears to me to just show which servers are available. I can run a netstat -ano |find /i "3268" To see the connections but not sure what to make of it since it is using all the servers for connections. This is where my confusion arises. It appears that it is using multiple DC's/GC's for services. -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Should be on the DSAccess tab of server properties in ESM. Can also check LDAP (GC) connections to port 3268. Alternatively, can find out using WMI - using Exchange's DSAccessDC wmi class. http://msdn2.microsoft.com/en-us/library/aa143708.aspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I had hoped to find a way around the restart of Outlook, since that is what we have been having our users do. On the Exchange server is there a way to find out which GC the Exchange server is using? I don't think I can assume it is the same as the logon server. I know how to find the GC on the Outlook client and where to find the current list of GC's available to the Exchange server, but haven't had any luck on determining which GC the Exchange (2003) server is using. Thanks for the assistance! -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Exchange 2003: At startup, DSAccess uses a discovery process to identify the Active Directory topology and assess the availability of domain controllers and global catalog servers. After startup is complete (and every 15 minutes thereafter), DSAccess uses an almost identical process to rediscover the topology and to check for any changes in server availability. Exchange 2003 Technical Reference Guide - Exchange Server 2003 & AD - Directory Integration and Exchange Server 2003 (DSAccess & Topology Discovery) http://www.microsoft.com/technet/pro...41f15939c.mspx Outlook: In case of unavailability of DC, you simply restart Outlook: XCLN: How MAPI Clients Access Active Directory http://support.microsoft.com/?kbid=256976 Also check DSProxy section in TechRef Guide: http://www.microsoft.com/technet/pro...c375e5948.mspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I'm trying to figure out how long it takes an Outlook client to switch over from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights.
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#7
November 29th 06, 08:02 PM
posted to microsoft.public.outlook,microsoft.public.exchange.admin
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Exchange 2003/Outlook 2003 and the Global Catalog
The tab will show list of available dc's each having a point rating for
preferred selection. Try this tool XGEN: General Information on Exinfo.exe http://support.microsoft.com/kb/305816 Or try to see if you can query it using the wmi class that Bharat mentioned. James Chong Paul Bergson [MVP-DS] wrote: I have visitied the DSAccess tab in the past and I don't see where it details how it is attached to a specific GC/DC for services. It appears to me to just show which servers are available. I can run a netstat -ano |find /i "3268" To see the connections but not sure what to make of it since it is using all the servers for connections. This is where my confusion arises. It appears that it is using multiple DC's/GC's for services. -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Should be on the DSAccess tab of server properties in ESM. Can also check LDAP (GC) connections to port 3268. Alternatively, can find out using WMI - using Exchange's DSAccessDC wmi class. http://msdn2.microsoft.com/en-us/library/aa143708.aspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I had hoped to find a way around the restart of Outlook, since that is what we have been having our users do. On the Exchange server is there a way to find out which GC the Exchange server is using? I don't think I can assume it is the same as the logon server. I know how to find the GC on the Outlook client and where to find the current list of GC's available to the Exchange server, but haven't had any luck on determining which GC the Exchange (2003) server is using. Thanks for the assistance! -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights. "Bharat Suneja [MVP]" wrote in message ... Exchange 2003: At startup, DSAccess uses a discovery process to identify the Active Directory topology and assess the availability of domain controllers and global catalog servers. After startup is complete (and every 15 minutes thereafter), DSAccess uses an almost identical process to rediscover the topology and to check for any changes in server availability. Exchange 2003 Technical Reference Guide - Exchange Server 2003 & AD - Directory Integration and Exchange Server 2003 (DSAccess & Topology Discovery) http://www.microsoft.com/technet/pro...41f15939c.mspx Outlook: In case of unavailability of DC, you simply restart Outlook: XCLN: How MAPI Clients Access Active Directory http://support.microsoft.com/?kbid=256976 Also check DSProxy section in TechRef Guide: http://www.microsoft.com/technet/pro...c375e5948.mspx -- Bharat Suneja MVP - Exchange www.zenprise.com NEW blog location: www.exchangepedia.com/blog ---------------------------------------------- "Paul Bergson [MVP-DS]" wrote in message ... I'm trying to figure out how long it takes an Outlook client to switch over from a lost Global Catalog server. If I logon and an Outlook attaches to dc1 (Which is a gc) later during the day, this GC is taken out of service. How long does it take for my local Outlook client to go find a new gc to use? Do you have any tech articles on this? What about Exchange 2003, how long will it take to switch over once it can't get a response? Any tech articles on this? -- Paul Bergson MVP - Directory Services MCT, MCSE, MCSA, Security+, BS CSci 2003, 2000 (Early Achiever), NT http://www.pbbergs.com Please no e-mails, any questions should be posted in the NewsGroup This posting is provided "AS IS" with no warranties, and confers no rights.
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