For example, you experience this issue when you use an identity sync client such as Azure AD Connect, Azure Active Directory Sync Services (Azure AD Sync), or the Azure Active Directory Sync Tool.
If you're using Azure AD Connect or Azure AD SyncThe wizard displays the following configuration error message:
We have gathered enough information to configure Azure AD Sync and will now create a default configuration.
Failed even after 5 retries. Action: PingProvisioningServiceEndPoint, Exception: Unable to communicate with the Windows Azure Active Directory service. Tracking ID: 01601250-7951-469c-8973-34e2a8e1ca10 See the event log for more details.
If you're using the Azure Active Directory Sync ToolThe following Directory Synchronization event ID 0 is logged in the Application log of the identify sync client computer:
Source: Directory Synchronization
Event ID: 0
Task Category: None
Unable to establish a connection to the authentication service. Contact Technical Support. GetAuthState() failed with -2147186688 state. HResult:0. Contact Technical Support. (0x80048862)
Additionally, a Network Monitor (Netmon.exe) trace indicates that the Microsoft Online Services Sign-in Assistant uses the proxy and accesses login.microsoftonline.com.
- Open the following file:C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config\machine.config
- Add the following text to the end of the file:
<system.net> <defaultProxy> <proxy usesystemdefault="true" proxyaddress="http://<PROXYIP>:80" bypassonlocal="true" /> </defaultProxy> </system.net>Note In this text, the placeholder <PROXYIP> represents the actual proxy IP address. For more information about the proxy settings in this context, see
Element (Network Settings).
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Artikelnummer: 3013032 – Letzte Überarbeitung: 22.12.2015 – Revision: 1