Exchange 2010 OAB is not generating

[PriyabrataBaral]

#167059

While updating OAB we are getting below error:-

Warning Event – 9327

OALGen skipped some entries in the offline address list ‘Global Address List’. To see which entries are affected, event logging for the OAL Generator must be set to at least medium.
– Exchange 2010 OAB

Then Error Event – 9328

OABGen encountered file error ffffffff (internal ID 5050237) while generating the offline address list for address list ‘OUP’. Make sure there is enough disk space available.
– Exchange 2010 OAB

Then Error Event – 9373

OABGen detected that the file ‘\GBOXFXMB01ExchangeOABde825f6b-7616-4766-a56e-114d5fe15a66b7f1513c-5ea3-41e7-9a38-d85699b6d3c5-data-1064.lzx’ is corrupted or missing. This indicates data tampering or disk problems. Restore files in this folder from the recent backup or clean up folder content and force a full OAB generation.
– Exchange 2010 OAB

Error Event -9369

OABGen encountered an error while publishing the OAB files to the distribution point ‘Exchange 2010 OAB’. Check other logged events to see more information about the problem.
– Exchange 2010 OAB

Does anyone have any Idea about this and how to resolve the issue?

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