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Cisco Bug: CSCvt13830 - Jabber issue with GetAdaptersAddresses() fail causing voicemail re-connect

Last Modified

May 29, 2020

Products (1)

  • Cisco Jabber for Windows

Known Affected Releases

12.7(0)

Description (partial)

Symptom:
there are some virtual adapter interface in Windows PC, and report network event frequently. Jabber call Windows System API GetAdaptersAddresses() to obtain network change.

in some Windows PC, the API GetAdaptersAddresses() would fail due to memory buffer size.
the doc suggest the buffer size is 15K, but it seem it is not enough if there are many virtual adapter.

https://docs.microsoft.com/en-us/windows/win32/api/iphlpapi/nf-iphlpapi-getadaptersaddresses

Conditions:
there are many virtual adapter interface in Windows PC.
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