Cisco Bug: CSCuj97361 - DNS request failing with debugs "unable to allocate a handle"

Last Modified

Apr 16, 2020

Products (1)

Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.1(3)

Description (partial)

Symptom:
ASA appears unable to resolve DNS names, the output of "debug dns 2" reveal the following errors:

DNS: Unable to allocate a handle from the dsh pool for DNS

Conditions:
This was observed on an ASA using access-lists with FQDN

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