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Error code

Event ID 40961 — LSA/87 package

Windows reports a failure of authentication via a security package.

TopicWindows Server →
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Event ID 40961. — LSA/97 package.

Domain : Active DirectoryPriority: High

What does this error mean?

Windows reports a failure of authentication via a security package.

Probable causes

Verification and resolution

  1. Check DC used.
  2. Tester secure channel.
  3. Check time.
Precaution: Do not join the domain again without diagnosis.

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Quick diagnostic.

To diagnose Event ID 40961 in the Active Directory domain, start with the following check: Check DC used. Then check the result against this probable cause: DNS. Save the context and time of appearance to compare behavior before and after correction. Priority level indicated: High.

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