Article ID: 113293, created on Feb 7, 2012, last review on Jan 7, 2015

  • Applies to:
  • Operations Automation


Edge synchronization does not work in Exchange, the error like below may be found in the Event Viewer on Exchange Hub Transport server:
EdgeSync failed to decrypt Edge credential from AD using local server certificate private key, exception: System.Security.Cryptography.CryptographicException: Bad Data.

  at System.Security.Cryptography.CryptographicException.ThrowCryptogaphicException(Int32 hr)
   at System.Security.Cryptography.Utils._DecryptKey(SafeKeyHandle hPubKey, Byte[] key, Int32 dwFlags)
   at System.Security.Cryptography.RSACryptoServiceProvider.Decrypt(Byte[] rgb, Boolean fOAEP)
   at Microsoft.Exchange.EdgeSync.Common.Util.DecryptEdgeSyncCredential(Server localServer, EdgeSyncCredential cred). Please resubscribe and try again.
On Exchange Edge Transport server the following error may be found in the Event Viewer:
The EdgeSync credential cn=ESRA.pemexedge02.PEMEXHUB02.0,CN=Services,CN=Configuration,CN={88C297C4-6F88-4A92-9FFF-E0CDA2F3EC17} could not be decrypted by using the certificate with thumbprint CD843AEB6BE0743FF4ABA5F2629D05046AB5AAEA. The exception is Bad Data. To resolve this problem, unsubscribe and resubscribe your Edge Transport server.


The reason of problem is expired Edge Subscription.


Depending on Microsoft Exchange version follow instructions in one of the articles below:
Exchange 2007 -
Exchange 2010 -

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