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LDAP: error code 80 - NDS error: insufficient buffer (-649)

Francisco Contreras Jan 25, 2012

Hello Guys

Im have been seen this error on crowd logs

LDAP: error code 80 - NDS error: insufficient buffer (-649)

can u please explain if this is a crowd issue or LDAP directory issue.
If so.. how can I solve it.

Thanks in advantage.

2 answers

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Answer accepted
Francisco Contreras Jan 26, 2012
Hi Andrew, Thanks for ur answer. This is happening when a user tries to authenticate with crowd, and it connects to an external ldap system. I see lots of these entries on the crowd logs.
Andrew Frayling Jan 26, 2012

You could try paging the results - (enable Use Paged Results) - so that requests to the directory are made in chunks rather than requesting information from LDAP in one hit. It might also be worth having a look at your Crowd cache settings -

If they don't help it could be a fault with your LDAP server. Have you got directory services people that you can ask to run some diagnostics on your LDAP server? The technote I linked to previously suggests possible out of memory errors with the LDAP server or some other internal fault.

Hope that's of some help?


0 votes
Andrew Frayling Jan 25, 2012
Hi Frank, that could be either crowd or LDAP - Are the errors happening with a particular action, or do you just have lots of instances of this error in the logs?

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