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POCatastrophic failure when Impersonate other user
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  1. POCatastrophic failure when Impersonate other user
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    copied!<p>I'm use Enterprise library Validation block intergrated with WCF. It reports <code>System.Runtime.InteropServices.COMException (0x8000FFFF): Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))</code> when I impersonate some other user with WIN32 API LogonUser and WindowsIdentity.Impersonate. It seems there is something wrong when to get security evidence on loading configuration. If I remove the coding of impersonation, it works without any errors. These are the part of the exception stack trace, hope you give some helpers. thanks.</p> <pre><code>System.Runtime.InteropServices.COMException (0x8000FFFF): Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED)) at System.Security.Policy.PEFileEvidenceFactory.GetLocationEvidence(SafePEFileHandle peFile, SecurityZone&amp; zone, StringHandleOnStack retUrl) at System.Security.Policy.PEFileEvidenceFactory.GenerateLocationEvidence() at System.Security.Policy.PEFileEvidenceFactory.GenerateEvidence(Type evidenceType) at System.Security.Policy.AssemblyEvidenceFactory.GenerateEvidence(Type evidenceType) at System.Security.Policy.Evidence.GenerateHostEvidence(Type type, Boolean hostCanGenerate) at System.Security.Policy.Evidence.GetHostEvidenceNoLock(Type type) at System.Security.Policy.Evidence.GetHostEvidence(Type type, Boolean markDelayEvaluatedEvidenceUsed) at System.Security.Policy.AppDomainEvidenceFactory.GenerateEvidence(Type evidenceType) at System.Security.Policy.Evidence.GenerateHostEvidence(Type type, Boolean hostCanGenerate) at System.Security.Policy.Evidence.GetHostEvidenceNoLock(Type type) at System.Security.Policy.Evidence.RawEvidenceEnumerator.MoveNext() at System.Security.Policy.Evidence.EvidenceEnumerator.MoveNext() at System.Configuration.ClientConfigPaths.GetEvidenceInfo(AppDomain appDomain, String exePath, String&amp; typeName) at System.Configuration.ClientConfigPaths.GetTypeAndHashSuffix(AppDomain appDomain, String exePath) at System.Configuration.ClientConfigPaths..ctor(String exePath, Boolean includeUserConfig) at System.Configuration.ClientConfigPaths.GetPaths(String exePath, Boolean includeUserConfig) at System.Configuration.ClientConfigurationHost.CreateConfigurationContext(String configPath, String locationSubPath) at System.Configuration.Internal.DelegatingConfigHost.CreateConfigurationContext(String configPath, String locationSubPath) at System.Configuration.BaseConfigurationRecord.get_ConfigContext() </code></pre>
 

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