SAP Gui SNC "couldn't acquire default initiating credentials" (Kerberos confguration)

[aPhilRa]

Hello,

Is there another way to fix this error without telling our customers to relogin / restart their clients?

Existing Configuration

We have configured Secure Network Communications (SNC) as well as Single sign-on (SSO) for our SAP Gui login (see screenshot). We're using the Kerberos protocol and Microsoft Active Directory and Microsoft Windows 10 on our clients.

Sometimes, after logging into Windows, when we try to login with our SAP Gui we receive the error:

"Couldn't acquire default initiating credentials"

We know that this is usually solved by logging out of windows and logging back in, or sometimes it even needs a client restart.

[Sandra_Rossi]

You may search the forum/SAP Web site with your favorite Web search engine. I see many answers for search below. Based on the results, if it still doesn't solve, you may anyway refine your investigations and provide more information here.

SNC kerberos SAP GUI no valid credentials site:sap.com

[shlomy_shalom5]

Thanks!

I tried it with no luck...

I noticed setspn doesn't work during the problem.

[shlomy_shalom5]

We are also facing the same issue.

Any luck in solving it?

Thanks

[aPhilRa]

I can't remember if we had a single solution for this error.

You can however try and execute the following command on a machine where the user gets this error and see if that fixes it:

klist purge

More info: https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/klist