RPC Authentication: Client failed to obtain RPCSEC_GSS credentials: Authentication error; why = Server rejected credential
Summary: RPC Authentication: Client failed to obtain RPCSEC_GSS credentials: Authentication error; why = Server rejected credential
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Symptoms
Schedule backup fails with error
RPC Authentication: Client failed to obtain RPCSEC_GSS credentials: Authentication error; why = Server rejected credential
Could not get a session key for GSS authentication. Perhaps this authentication method is not allowed/supported by both the local and remote remote machines.
save: Could not get session key from <client> for GSS authentication with <server>: Authentication error; why = Server rejected credential
RPC Authentication: Client successfully obtained AUTH_UNIX credentials
lgto_auth for `nsrd' succeeded
RPC Authentication: Client failed to obtain RPCSEC_GSS credentials: Authentication error; why = Server rejected credential
Could not get a session key for GSS authentication. Perhaps this authentication method is not allowed/supported by both the local and remote remote machines.
Failed to create lgto_auth credential for RPCSEC_GSS: Could not get session key from <client> for GSS authentication with <server>: Authentication error; why = Server rejected credential
Cause
Server and Client have multiple NICs. There is communication delay
Resolution
Fix by modifying on client resource:
Client Retries increase from 1 To 5
Client Retry delay from 1 to 120
Client Retries increase from 1 To 5
Client Retry delay from 1 to 120
Affected Products
NetWorkerProducts
NetWorkerArticle Properties
Article Number: 000053692
Article Type: Solution
Last Modified: 28 Apr 2026
Version: 5
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