Michael, Thanks for the update.
We're going to be looking at creating a DAG when we go from 2010 to 2016, and this kind of stuff is good to know. Kurt On Fri, Jan 29, 2016 at 3:56 PM, Michael B. Smith <[email protected]> wrote: > I took this offline with Hugo. And I believe we solved it. Time will tell. J > > > > The lesson to be learned here is that when you have multiple servers fronted > by a LB, they all need to have the EXACT same set of authentication methods > defined for all virtual directories. > > > > [And that I need to update my diagnostic scripts to do “compare and > contrast” instead of depending on WinDiff. WinDiff gives too many false > positives.] > > > > From: [email protected] [mailto:[email protected]] > On Behalf Of Hugo Hernandez > Sent: Friday, January 29, 2016 12:38 PM > To: [email protected] > Subject: [Exchange] RE: Outlook 2010 Directory type connection changes from > RPC/TCP to HTTP asks for username and password > > > > -Yes, all database members are part of the same RPC client access array and > has its URL different from OWA/OA > > -Yes, we are running split DNS > > > > These are my URL settings (server names and URLs are changed to protect the > innocent)… > > > > Server : Exchange server 1 > > InternalNLBBypassUrl : https://Exchange server 1/ews/exchange.asmx > > InternalUrl : https://mail.domain.com/ews/exchange.asmx > > ExternalUrl : https://mail.domain.com/ews/exchange.asmx > > > > Server : Exchange server 2 > > InternalNLBBypassUrl : https://Exchange server 2/ews/exchange.asmx > > InternalUrl : https://mail.domain.com/ews/exchange.asmx > > ExternalUrl : https://mail.domain.com/ews/exchange.asmx > > > > Server : Exchange server 3 > > InternalNLBBypassUrl : https://Exchange server 3/ews/exchange.asmx > > InternalUrl : https://mail.domain.com/ews/exchange.asmx > > ExternalUrl : https://mail.domain.com/ews/exchange.asmx > > > > > > > > Hugo Hernandez > > Network Administrator > > > > Insteon > > It’s your house. Turn it on. > > www.insteon.com > > > > Smarthome > > Home Automation Superstore > > www.smarthome.com > > > > > > > > From: [email protected] [mailto:[email protected]] > On Behalf Of Michael B. Smith > Sent: Friday, January 29, 2016 8:25 AM > To: [email protected] > Subject: [Exchange] RE: Outlook 2010 Directory type connection changes from > RPC/TCP to HTTP asks for username and password > > > > Are all databases members of the same RPC client access array? > > > > Are you running split DNS? Have you validated ExternalUrl and InternalUrl on > all servers (and InternalNlbBypassUrl where relevant)? > > > > From: [email protected] [mailto:[email protected]] > On Behalf Of Hugo Hernandez > Sent: Thursday, January 28, 2016 6:42 PM > To: [email protected] > Subject: [Exchange] Outlook 2010 Directory type connection changes from > RPC/TCP to HTTP asks for username and password > > > > We just recently went from a typical single Exchange 2010 install to a three > server DAG. All three servers have the typical installation and for the > most part everything seems to be going ok except for one thing. It seems > that randomly the Outlook connection for the Directory changes from RPC/TCP > to HTTP and a username and password prompts appear. Even if we leave the > password prompt up, mail will flow since this only seems to effect the > connection to the directory. Once we enter username and password Outlook is > happy again until the connection somehow resets and prompts the user again > for authentication. > > > > This is happening to a handful of users out of 100 so far and I can’t seem > to figure out why. I have the event logs on all three servers and they are > relatively clean. > > > > Server specs are as follows. All three servers are identical. > > > > -Server 2008 R2 Enterprise fully patched > > -Exchange 2010 SP3 RU11 > > -Typical roles installed > > -Static ports assigned to RPC and AB > > -All are behind a hardware load balanced > > -All internal clients are Outlook 2010 > > > > I have searched around but I couldn’t find anything that is close to what I > am experiencing. Any ideas on where to look next? > > > > Thanks, > > > > Hugo Hernandez > > Network Administrator > > > Insteon > > It’s your house. Turn it on. > > www.insteon.com > > > > Smarthome > > Home Automation Superstore > > www.smarthome.com > > > > > > > > ======================================= > > CONFIDENTIALITY NOTICE: > > This e-mail message is intended only for the person(s) or organization(s) to > whom or which it is addressed and may contain information which is > confidential and privileged. The unauthorized use, copying, distribution, or > disclosure of this e-mail or any of its contents by anyone other than the > intended recipient is unauthorized and unlawful. If you have received this > e-mail in error, please notify the sender immediately and destroy all copies > of this transmission. > > Thank you. > http://www.smartlabsinc.com/ > > ======================================= > > CONFIDENTIALITY NOTICE: > > This e-mail message is intended only for the person(s) or organization(s) to > whom or which it is addressed and may contain information which is > confidential and privileged. The unauthorized use, copying, distribution, or > disclosure of this e-mail or any of its contents by anyone other than the > intended recipient is unauthorized and unlawful. If you have received this > e-mail in error, please notify the sender immediately and destroy all copies > of this transmission. > > Thank you. > http://www.smartlabsinc.com/
