tag:blogger.com,1999:blog-7014697010216781471.post1065219050342230648..comments2023-04-07T17:25:26.573+02:00Comments on IT Guy Diaries: “Microsoft Lync 2010 MAPI COM Server” Credential popup appears repeatedlyAnonymoushttp://www.blogger.com/profile/14575452220665895815noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-7014697010216781471.post-20136212974019069752012-06-08T13:58:59.461+02:002012-06-08T13:58:59.461+02:00Dear Ramy , It is nice to see you here . Regarding...Dear Ramy , It is nice to see you here . Regarding what you suggest about enabling both Basic & NTLM authentication methods let me explain something , although IISAuthenticationMethod supports multiple values, mutliple values are not supported for clientAuthentication. If you set Basic+NTLM, it will be set to NTLM for Outlook Anywhere ( Outlook Anywhere configuration selection is made as Anonymoushttps://www.blogger.com/profile/14575452220665895815noreply@blogger.comtag:blogger.com,1999:blog-7014697010216781471.post-33121781438677983642012-06-08T11:49:17.345+02:002012-06-08T11:49:17.345+02:00good idea , but if a company have a large number o...good idea , but if a company have a large number of users, do you think this would be a suitable solution?<br /><br />you can try to enable the basic,Ntlm authentication type for the outlook anywhere IIS authentication.. as mentioned here:<br />http://techguyfarrukh.blog.com/2011/12/08/microsoft-lync-client-prompting-microsoft-lync-2010-mapi-com-server%E2%80%9D-credentials/Ramyhttps://www.blogger.com/profile/11391142248111872428noreply@blogger.com