Intermittent OCS login issue for Win7 Systems
Some of our remote users reported me that they were not able to login into OCS from Win-7 PCS. The error was
“Cannot sign in to Communicator. You may have entered your sign-in address, user name, or password incorrectly, or the authentication service may be incompatible with the version of the program. If your sign-in information is correct and the problem persists, please contact your system administrator”
Later I collected the communicator logs from the user system and I found the below line in the snooper window
“ms-diagnostics: 1013;reason="Significant time skew detected during authentication";source”
Resolution:
I found one DC which is recently added to the AD infrastructure which is having time difference more than 5 Min with respect to other DCs in the AD environment. I rectified it and resolved the issue
Reason:
This is office communicator Authentication issue, time skew of more than 5 minutes break Kerberos authentication.
Some of our remote users reported me that they were not able to login into OCS from Win-7 PCS. The error was
“Cannot sign in to Communicator. You may have entered your sign-in address, user name, or password incorrectly, or the authentication service may be incompatible with the version of the program. If your sign-in information is correct and the problem persists, please contact your system administrator”
Later I collected the communicator logs from the user system and I found the below line in the snooper window
“ms-diagnostics: 1013;reason="Significant time skew detected during authentication";source”
Resolution:
I found one DC which is recently added to the AD infrastructure which is having time difference more than 5 Min with respect to other DCs in the AD environment. I rectified it and resolved the issue
Reason:
This is office communicator Authentication issue, time skew of more than 5 minutes break Kerberos authentication.
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