I can't seem to find a solution to event ID 4: KRB_AP_ERR_MODIFIED

Customers increasingly get this error and I am struggling to find a direction to go on this. Can someone point me in the right direction? Errors generate from our server Win2008SP2/Exchange2010. Below error full text:

The Kerberos client received a KRB_AP_ERR_MODIFIED MAIL02 Server error $. The target name used was HTTP/MAIL02.dr.LOCAL. This indicates that the target server could not decrypt the ticket provided by the customer. This can occur when target server principal name (SPN) is registered on one different account that the target service uses. Please ensure that the objective of SPN is registered and only registered on, the account used by the server. This error can also occur when the target service uses a different for the target service account password for that target that the Distribution Center of the keys Kerberos (KDC) has for the service account. Please ensure that the service on the server and the KDC are both set to update to use the current password. If the server name is not complete and the target domain (Dr. LOCAL) is different from the customer area (Dr. LOCAL), check if there are the same name of server accounts in these two areas, or use the fully qualified name to identify the server.
Thank you.

Hello

Your question of Windows 7 is more complex than what is generally answered in the Microsoft Answers forums. Appropriate in the TechNet forums. Please post your question in the TechNet forums.

You can follow the link to your question:

http://social.technet.Microsoft.com/forums/en/w7itprogeneral/threads

It will be useful.

Tags: Windows

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