I blogged on this just last week. http://blog.sembee.co.uk/post/Introduction-of-a-New-CAS-Server-Causes-Certificate-Prompts.aspx
The usual reason is for certificate prompts, but your cause is valid as well, and the fix is the same. You just change the value on the new CAS to point the users at another server. Simon. -- Simon Butler MVP: Exchange, MCSE Sembee Ltd. e: si...@sembee.co.uk w: http://www.sembee.co.uk/ w: http://exchange.sembee.info/ w: http://blog.sembee.co.uk/ Need cheap certificates for Exchange, compatible with the iPhone? http://CertificatesForExchange.com/ for certificates from just $26.99. Need a domain for your certificate? http://DomainsForExchange.net/ Exchange Resources: http://exbpa.com/ -----Original Message----- From: Sharp, Kevin [mailto:kevin.sh...@usask.ca] Sent: 21 June 2011 18:09 To: MS-Exchange Admin Issues Subject: RE: question regarding autodiscover Just got the 2010 environment up, so all users are still on 2007, so preferably they keep using the 2007 cas/hubs while I work on the 2010 servers. Thanks kevin -----Original Message----- From: Michael B. Smith [mailto:mich...@smithcons.com] Sent: Tuesday, June 21, 2011 11:03 AM To: MS-Exchange Admin Issues Subject: RE: question regarding autodiscover What do you want them to pick up? Please explain your topology a little. Regards, Michael B. Smith Consultant and Exchange MVP http://TheEssentialExchange.com -----Original Message----- From: Sharp, Kevin [mailto:kevin.sh...@usask.ca] Sent: Tuesday, June 21, 2011 12:57 PM To: MS-Exchange Admin Issues Subject: question regarding autodiscover A question about autodiscover.... If you are in a scenario where you are in an upgrade scenario...and some users are picking up the exchange 2010 servers CAS/HUBs from the autodiscover SCP from AD....is there a way to prevent this? Is this controlled by autodiscoverserviceinternaluri? Thanks kevin --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist