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Users are continually prompted for login credentials and security certificates.

I recently took over at a new office and saw that all of our users have been needing to log in continually and confirm security certificates. After trying for a while to fix it a permanent fix seems to allude me. Looking for any help I can get here to try
and fix this issue.
Here is a copy of the basic information of the server:
===============================================================================================================

[PS] C:\Windows\system32>Get-WebServicesVirtualDirectory | fl


RunspaceId : 2b64e329-956e-44e1-ad2b-a9ebc10fe33b
CertificateAuthentication :
InternalNLBBypassUrl :
https://sbs.hoffent.local/ews/exchange.asmx

GzipLevel : High
Name : EWS (Default Web Site)
InternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated, WSSecurity}
ExternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated, WSSecurity}
LiveIdSpNegoAuthentication : False
WSSecurityAuthentication : True
LiveIdBasicAuthentication : False
BasicAuthentication : True
DigestAuthentication : False
WindowsAuthentication : True
MetabasePath : IIS://SBS.hoffent.local/W3SVC/1/ROOT/EWS
Path : C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\exchweb\EWS
ExtendedProtectionTokenChecking : None
ExtendedProtectionFlags : {}
ExtendedProtectionSPNList : {}
Server : SBS
InternalUrl :
https://mail.hoffent.com/EWS/Exchange.asmx

ExternalUrl :
https://mail.hoffent.com/EWS/Exchange.asmx

AdminDisplayName :
ExchangeVersion : 0.10 (14.0.100.0)
DistinguishedName : CN=EWS (Default Web Site),CN=HTTP,CN=Protocols,CN=SBS,CN=Servers,CN=Exchange Administ
rative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=First
Organization,CN=Micr
osoft Exchange,CN=Services,CN=Configuration,DC=hoffent,DC=local
Identity : SBS\EWS (Default Web Site)
Guid : 6da2e16b-3630-4deb-8caa-f6b92bfefbe0
ObjectCategory : hoffent.local/Configuration/Schema/ms-Exch-Web-Services-Virtual-Directory
ObjectClass : {top, msExchVirtualDirectory, msExchWebServicesVirtualDirectory}
WhenChanged : 6/8/2012 10:08:13 AM
WhenCreated : 3/28/2011 3:21:03 PM
WhenChangedUTC : 6/8/2012 2:08:13 PM
WhenCreatedUTC : 3/28/2011 7:21:03 PM
OrganizationId :
OriginatingServer : SBS.hoffent.local
IsValid : True



[PS] C:\Windows\system32>Get-OABVirtualDirectory | fl


RunspaceId : 2b64e329-956e-44e1-ad2b-a9ebc10fe33b
Name : OAB (Default Web Site)
PollInterval : 480
OfflineAddressBooks : {\Default Offline Address Book}
RequireSSL : True
BasicAuthentication : True
WindowsAuthentication : True
MetabasePath : IIS://SBS.hoffent.local/W3SVC/1/ROOT/OAB
Path : C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\OAB
ExtendedProtectionTokenChecking : None
ExtendedProtectionFlags : {}
ExtendedProtectionSPNList : {}
Server : SBS
InternalUrl :
https://mail.hoffent.com/OAB

InternalAuthenticationMethods : {Basic, WindowsIntegrated}
ExternalUrl :
https://mail.hoffent.com/OAB

ExternalAuthenticationMethods : {Basic, WindowsIntegrated}
AdminDisplayName :
ExchangeVersion : 0.10 (14.0.100.0)
DistinguishedName : CN=OAB (Default Web Site),CN=HTTP,CN=Protocols,CN=SBS,CN=Servers,CN=Exchange Administ
rative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=First
Organization,CN=Micr
osoft Exchange,CN=Services,CN=Configuration,DC=hoffent,DC=local
Identity : SBS\OAB (Default Web Site)
Guid : f6bd498c-0b56-4a45-8cd5-c8cdc252d4d9
ObjectCategory : hoffent.local/Configuration/Schema/ms-Exch-OAB-Virtual-Directory
ObjectClass : {top, msExchVirtualDirectory, msExchOABVirtualDirectory}
WhenChanged : 6/8/2012 10:08:18 AM
WhenCreated : 3/28/2011 3:20:34 PM
WhenChangedUTC : 6/8/2012 2:08:18 PM
WhenCreatedUTC : 3/28/2011 7:20:34 PM
OrganizationId :
OriginatingServer : SBS.hoffent.local
IsValid : True



[PS] C:\Windows\system32>Get-UMVirtualDirectory | f
The term 'Get-UMVirtualDirectory' is not recognized as the name of a cmdlet, function, script file, or operable program
. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:23
+ Get-UMVirtualDirectory <<<< | f
+ CategoryInfo : ObjectNotFound: (Get-UMVirtualDirectory:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException

[PS] C:\Windows\system32>Get-UMVirtualDirectory | fl
The term 'Get-UMVirtualDirectory' is not recognized as the name of a cmdlet, function, script file, or operable program
. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:23
+ Get-UMVirtualDirectory <<<< | fl
+ CategoryInfo : ObjectNotFound: (Get-UMVirtualDirectory:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException

[PS] C:\Windows\system32>Get-WebServicesVirtualDirectory | fl


RunspaceId : 2b64e329-956e-44e1-ad2b-a9ebc10fe33b
CertificateAuthentication :
InternalNLBBypassUrl :
https://sbs.hoffent.local/ews/exchange.asmx

GzipLevel : High
Name : EWS (Default Web Site)
InternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated, WSSecurity}
ExternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated, WSSecurity}
LiveIdSpNegoAuthentication : False
WSSecurityAuthentication : True
LiveIdBasicAuthentication : False
BasicAuthentication : True
DigestAuthentication : False
WindowsAuthentication : True
MetabasePath : IIS://SBS.hoffent.local/W3SVC/1/ROOT/EWS
Path : C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\exchweb\EWS
ExtendedProtectionTokenChecking : None
ExtendedProtectionFlags : {}
ExtendedProtectionSPNList : {}
Server : SBS
InternalUrl :
https://mail.hoffent.com/EWS/Exchange.asmx

ExternalUrl :
https://mail.hoffent.com/EWS/Exchange.asmx

AdminDisplayName :
ExchangeVersion : 0.10 (14.0.100.0)
DistinguishedName : CN=EWS (Default Web Site),CN=HTTP,CN=Protocols,CN=SBS,CN=Servers,CN=Exchange Administ
rative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=First
Organization,CN=Micr
osoft Exchange,CN=Services,CN=Configuration,DC=hoffent,DC=local
Identity : SBS\EWS (Default Web Site)
Guid : 6da2e16b-3630-4deb-8caa-f6b92bfefbe0
ObjectCategory : hoffent.local/Configuration/Schema/ms-Exch-Web-Services-Virtual-Directory
ObjectClass : {top, msExchVirtualDirectory, msExchWebServicesVirtualDirectory}
WhenChanged : 6/8/2012 10:08:13 AM
WhenCreated : 3/28/2011 3:21:03 PM
WhenChangedUTC : 6/8/2012 2:08:13 PM
WhenCreatedUTC : 3/28/2011 7:21:03 PM
OrganizationId :
OriginatingServer : SBS.hoffent.local
IsValid : True



[PS] C:\Windows\system32>Get-ClientAccessServer | fl


RunspaceId : 2b64e329-956e-44e1-ad2b-a9ebc10fe33b
Name : SBS
Fqdn : SBS.hoffent.local
OutlookAnywhereEnabled : True
AutoDiscoverServiceCN : SBS
AutoDiscoverServiceClassName : ms-Exchange-AutoDiscover-Service
AutoDiscoverServiceInternalUri :
https://mail.hoffent.com/autodiscover/autodiscover.xml

AutoDiscoverServiceGuid : 77378f46-2c66-4aa9-a6a6-3e7a48b19596
AutoDiscoverSiteScope : {Default-First-Site-Name}
AlternateServiceAccountConfiguration :
IrmLogEnabled : True
IrmLogMaxAge : 30.00:00:00
IrmLogMaxDirectorySize : 250 MB (262,144,000 bytes)
IrmLogMaxFileSize : 10 MB (10,485,760 bytes)
IrmLogPath : C:\Program Files\Microsoft\Exchange Server\V14\Logging\IRMLogs
MigrationLogLoggingLevel : Information
MigrationLogFilePath :
MigrationLogMaxAge : 180.00:00:00
MigrationLogMaxDirectorySize : 10 GB (10,737,418,240 bytes)
MigrationLogMaxFileSize : 100 MB (104,857,600 bytes)
IsValid : True
ExchangeVersion : 0.1 (8.0.535.0)
DistinguishedName : CN=SBS,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administ
rative Groups,CN=First Organization,CN=Microsoft
Exchange,CN=Services,CN=Configu
ration,DC=hoffent,DC=local
Identity : SBS
Guid : 53eb908a-1598-43e1-a3e3-6ba4d9502111
ObjectCategory : hoffent.local/Configuration/Schema/ms-Exch-Exchange-Server
ObjectClass : {top, server, msExchExchangeServer}
WhenChanged : 4/4/2012 9:41:33 AM
WhenCreated : 3/28/2011 3:16:04 PM
WhenChangedUTC : 4/4/2012 1:41:33 PM
WhenCreatedUTC : 3/28/2011 7:16:04 PM
OrganizationId :
OriginatingServer : SBS.hoffent.local

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June 13th, 2012 7:06am
I don't have the time to comb through all those settings, and honestly I wouldn't necessarily be able to tell you whether they're right.
If you're being prompted for logon credentials, it may be a networking issue, such is when a network change like a wired to wireless connection causes a connection to a different CAS, or it could be an incompatibility between the authentication method being
used.
If you are getting certificate warnings, it's because your certificate isn't being accepted for the URL that's being accessed. I would fix this one first because it can lead to extra logon prompts.Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."

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June 13th, 2012 10:42am
Well I can't begin to think where to look to fix this certificate error, from what I can see the certificates int he store are all good and functioning, the certificate it continues to pop up is a self signed cert that seems to cause issues.

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June 13th, 2012 11:31am
Make sure the self-signed certificate is not bound to any services except for SMTP.Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."

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June 13th, 2012 1:43pm
Hi,
can you post what you get when typing "get-autodiscoveryvirtualdirectory".
Is Outlook Anywhere activated?
Can you also post the names on your certificate: get-exchangecertificate | fl subject*

Regards,
markusMCSE:Messaging

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June 13th, 2012 11:26pm
Hi,
First please clarify where do you get the certificate warning, opening outlook/OWA/outlook anywhere?
Please run test e-mail autoconfiguration and then post the log tab information here.
I noted that you have set your autodiscoverinternaluri as
https://mail.hoffent.com/autodiscover/autodiscover.xml
, then please verify if you have add mail.hoffent.com to your certificate
domian name.
You can run get-exchangecertificate |fl and then post the result here.Xiu Zhang
TechNet Community Support

There is an amazing pack of free network admin tools. click here to download it






June 14th, 2012 1:48am
Hi,
can you post what you get when typing "get-autodiscoveryvirtualdirectory".
Is Outlook Anywhere activated?
Can you also post the names on your certificate: get-exchangecertificate | fl subject*

Regards,
markus

MCSE:Messagin

Get-autodiscoveryvirtualdirectory did not seem to work, however I did the exchange certificate command, here is the results:



AccessRules :
CertificateDomains : {SBS.hoffent.local}
HasPrivateKey : True
IsSelfSigned : False
Issuer : CN=hoffent-SBS-CA
NotAfter : 2/13/2013 4:16:45 PM
NotBefore : 2/14/2012 4:16:45 PM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 5267879700000000000D
Services : IMAP, POP
Status : Valid
Subject : CN=SBS.hoffent.local
Thumbprint : 7418D415EC6F65459CDCEC362556C462310DFBE0

AccessRules :
CertificateDomains : {mail.hoffent.com, hoffent.com, SBS.hoffent.local}
HasPrivateKey : True
IsSelfSigned : False
Issuer : CN=hoffent-SBS-CA
NotAfter : 3/28/2013 12:02:38 PM
NotBefore : 3/29/2011 12:02:38 PM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 1449E90D000000000006
Services : IMAP, POP, SMTP
Status : Valid
Subject : CN=mail.hoffent.com
Thumbprint : CB13F573EF2E64084E5B564B9E64746F771246DC

AccessRules :
CertificateDomains : {remote.hoffent.com, hoffent.com, SBS.hoffent.local}
HasPrivateKey : True
IsSelfSigned : False
Issuer : CN=hoffent-SBS-CA
NotAfter : 3/28/2013 11:55:36 AM
NotBefore : 3/29/2011 11:55:36 AM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 14437D7E000000000005
Services : IMAP, POP, SMTP
Status : Valid
Subject : CN=remote.hoffent.com
Thumbprint : A3F829EE43E91869F0765C4E20EC86ACEC916038

AccessRules :
CertificateDomains : {remote.hoffent.com, hoffent.com, SBS.hoffent.local}
HasPrivateKey : True
IsSelfSigned : False
Issuer : CN=hoffent-SBS-CA
NotAfter : 3/28/2013 11:16:34 AM
NotBefore : 3/29/2011 11:16:34 AM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 141FC22B000000000004
Services : IMAP, POP, SMTP
Status : Valid
Subject : CN=remote.hoffent.com
Thumbprint : A4070E92CD7043FA27476665F5CF5AE5C0156DAE

AccessRules :
CertificateDomains : {mail.hoffent.com, hoffent.com, SBS.hoffent.local, remote.hoffent.com, autodiscover.hoffent.com}
HasPrivateKey : True
IsSelfSigned : False
Issuer : CN=DigiCert High Assurance CA-3, OU=
www.digicert.com
, O=DigiCert Inc, C=US
NotAfter : 4/2/2014 8:00:00 AM
NotBefore : 3/28/2011 8:00:00 PM
PublicKeySize : 2048
RootCAType : ThirdParty
SerialNumber : 0E1F0F58E61CED38ADE9421589133384
Services : IMAP, POP, IIS, SMTP
Status : Valid
Subject : CN=mail.hoffent.com, OU=HOFF Enterprises Inc., O=HOFF Enterprises Inc., L=Johnstown, S=Pennsylvani
a, C=US
Thumbprint : 92B3B5196CC3E9F4DC8F580D216DCE29121AE704

AccessRules :
CertificateDomains : {WMSvc-WIN-SI0IB5RGGJB}
HasPrivateKey : True
IsSelfSigned : True
Issuer : CN=WMSvc-WIN-SI0IB5RGGJB
NotAfter : 3/25/2021 5:09:13 PM
NotBefore : 3/28/2011 5:09:13 PM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 31F4FFC7F754048D4E837AE2F38A0135
Services : None
Status : Valid
Subject : CN=WMSvc-WIN-SI0IB5RGGJB
Thumbprint : 7143C25FA0C51764BD083F1CBB3D2AF34F88C1CA

AccessRules :
CertificateDomains : {Sites, SBS.hoffent.local}
HasPrivateKey : True
IsSelfSigned : False
Issuer : CN=hoffent-SBS-CA
NotAfter : 3/27/2013 2:54:25 PM
NotBefore : 3/28/2011 2:54:25 PM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 61037F7B000000000002
Services : IMAP, POP, SMTP
Status : Valid
Subject : CN=Sites
Thumbprint : 54FB0468526C175DF12A36349B62D2F241A71E4F

AccessRules :
CertificateDomains : {hoffent-SBS-CA}
HasPrivateKey : True
IsSelfSigned : True
Issuer : CN=hoffent-SBS-CA
NotAfter : 3/28/2016 3:04:05 PM
NotBefore : 3/28/2011 2:54:06 PM
PublicKeySize : 2048
RootCAType : Registry
SerialNumber : 0BC64810AB671C8147460452CAF359F4
Services : None
Status : Valid
Subject : CN=hoffent-SBS-CA
Thumbprint : 5BFD0E10BB0C2C775A50BEE4960D554F12C72F08

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June 14th, 2012 6:22am
Hi,
First please clarify where do you get the certificate warning, opening outlook/OWA/outlook anywhere?
Please run test e-mail autoconfiguration and then post the log tab information here.
I noted that you have set your autodiscoverinternaluri as
https://mail.hoffent.com/autodiscover/autodiscover.xml
, then please verify if you have add mail.hoffent.com to your certificate
domian name.
You can run get-exchangecertificate |fl and then post the result here.


Xiu Zhang
TechNet Community Support



Here is a screenshot of the results from the test configuration.
http://i.imgur.com/0OENb.png

The error arises when logging into outlook, random times while outlook is open, and almost every time you open a new email. The certificate never shows up when using OWA.


and here is the XML code. The results from the get-exchangecertificate |fl are posted above.

<?xml version="1.0" encoding="utf-8"?>
<Autodiscover xmlns="
http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006">
;
<Response xmlns="
http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a">
;
<User>
<DisplayName>Nick Arrington</DisplayName>
<LegacyDN>/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=Nick Arrington8b6</LegacyDN>
<AutoDiscoverSMTPAddress>Narrington@hoffent.com</AutoDiscoverSMTPAddress>
<DeploymentId>c6b1934a-7f70-42f6-a4e9-4c15a53adcf1</DeploymentId>
</User>
<Account>
<AccountType>email</AccountType>
<Action>settings</Action>
<Protocol>
<Type>EXCH</Type>
<Server>SBS.hoffent.local</Server>
<ServerDN>/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=SBS</ServerDN>
<ServerVersion>738180DA</ServerVersion>
<MdbDN>/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=SBS/cn=Microsoft Private MDB</MdbDN>
<PublicFolderServer>SBS.hoffent.local</PublicFolderServer>
<AD>SBS.hoffent.local</AD>
<ASUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</ASUrl>
;
<EwsUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</EwsUrl>
;
<EcpUrl>
https://mail.hoffent.com/ecp/</EcpUrl>
;
<EcpUrl-um>?p=customize/voicemail.aspx&amp;exsvurl=1</EcpUrl-um>
<EcpUrl-aggr>?p=personalsettings/EmailSubscriptions.slab&amp;exsvurl=1</EcpUrl-aggr>
<EcpUrl-mt>PersonalSettings/DeliveryReport.aspx?exsvurl=1&amp;IsOWA=&lt;IsOWA&gt;&amp;MsgID=&lt;MsgID&gt;&amp;Mbx=&lt;Mbx&gt;</EcpUrl-mt>
<EcpUrl-ret>?p=organize/retentionpolicytags.slab&amp;exsvurl=1</EcpUrl-ret>
<EcpUrl-sms>?p=sms/textmessaging.slab&amp;exsvurl=1</EcpUrl-sms>
<OOFUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</OOFUrl>
;
<UMUrl>
https://mail.hoffent.com/EWS/UM2007Legacy.asmx</UMUrl>
;
<OABUrl>
https://mail.hoffent.com/OAB/2ebb91eb-6e4e-4334-a9c6-5c215c1352c5/</OABUrl>
;
</Protocol>
<Protocol>
<Type>EXPR</Type>
<Server>mail.hoffent.com</Server>
<SSL>On</SSL>
<AuthPackage>Basic</AuthPackage>
<ASUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</ASUrl>
;
<EwsUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</EwsUrl>
;
<EcpUrl>
https://mail.hoffent.com/ecp/</EcpUrl>
;
<EcpUrl-um>?p=customize/voicemail.aspx&amp;exsvurl=1</EcpUrl-um>
<EcpUrl-aggr>?p=personalsettings/EmailSubscriptions.slab&amp;exsvurl=1</EcpUrl-aggr>
<EcpUrl-mt>PersonalSettings/DeliveryReport.aspx?exsvurl=1&amp;IsOWA=&lt;IsOWA&gt;&amp;MsgID=&lt;MsgID&gt;&amp;Mbx=&lt;Mbx&gt;</EcpUrl-mt>
<EcpUrl-ret>?p=organize/retentionpolicytags.slab&amp;exsvurl=1</EcpUrl-ret>
<EcpUrl-sms>?p=sms/textmessaging.slab&amp;exsvurl=1</EcpUrl-sms>
<OOFUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</OOFUrl>
;
<UMUrl>
https://mail.hoffent.com/EWS/UM2007Legacy.asmx</UMUrl>
;
<OABUrl>
https://mail.hoffent.com/OAB/2ebb91eb-6e4e-4334-a9c6-5c215c1352c5/</OABUrl>
;
</Protocol>
<Protocol>
<Type>WEB</Type>
<Internal>
<OWAUrl AuthenticationMethod="Basic, Fba">
https://mail.hoffent.com/owa/</OWAUrl>
;
<Protocol>
<Type>EXCH</Type>
<ASUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</ASUrl>
;
</Protocol>
</Internal>
<External>
<OWAUrl AuthenticationMethod="Fba">
https://mail.hoffent.com/owa/</OWAUrl>
;
<Protocol>
<Type>EXPR</Type>
<ASUrl>
https://mail.hoffent.com/EWS/Exchange.asmx</ASUrl>
;
</Protocol>
</External>
</Protocol>
<AlternativeMailbox>
<Type>Delegate</Type>
<DisplayName>Doug Wess</DisplayName>
<LegacyDN>/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=Doug Wess</LegacyDN>
<Server>SBS.hoffent.local</Server>
</AlternativeMailbox>
</Account>
</Response>
</Autodiscover>

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June 14th, 2012 6:31am
Hi,
Please try to post the log tab, not the xml tab when you test e-mailautoconfiguration.
Please clarify if the issue occur to outlook anywhere users.

Xiu Zhang
TechNet Community Support

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June 14th, 2012 11:33pm
Here is a screenshot of the log:
http://i.imgur.com/VS3xQ.png

Also the issue occurs to everyone, I tried disabling the outlook anywhere and it still happens.

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June 15th, 2012 6:25am
Hi,
By the way, do you have any thrid party add-in installed to outlook? Please try to disable all the third party add-ins and then try to create a new Exchange profile and then test the issue.
Besides, please follow the steps in article below to modify the internalurl for EWS, OAB UM.
Security warning when you start Outlook 2007 and then connect to a mailbox that is hosted on a server that is running Exchange Server 2007 or Exchange Server 2010: "The name of the security certificate is invalid or does not match the name of the site"

http://support.microsoft.com/kb/940726

Xiu Zhang
TechNet Community Support

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June 17th, 2012 10:30pm
Hi,
By the way, do you have any thrid party add-in installed to outlook? Please try to disable all the third party add-ins and then try to create a new Exchange profile and then test the issue.
Besides, please follow the steps in article below to modify the internalurl for EWS, OAB UM.
Security warning when you start Outlook 2007 and then connect to a mailbox that is hosted on a server that is running Exchange Server 2007 or Exchange Server 2010: "The name of the security certificate is invalid or does not match the name of the site"

http://support.microsoft.com/kb/940726

Xiu Zhang
TechNet Community Support

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June 17th, 2012 10:41pm

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