Hi Henrik,
Did this. From the client tried to preview an existing Word document. Again I got the error. Looked up the ULS log for that particular moment.
Please see below the result of the log at that time.
Regards,
Frank
07/31/2013 09:19:39.01 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Database ahjqp High [Forced due to logging gap, cached @ 07/31/2013 09:19:38.96, Original Level: Verbose] SQL connection time: 0.0734730252029238 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.01 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Database 8acb High [Forced due to logging gap, Original Level: VerboseEx] Reverting to process identity 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.01 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Topology e5mc Medium WcfSendRequest: RemoteAddress: 'net.pipe://localhost/SecurityTokenServiceApplication/appsts.svc' Channel: 'Microsoft.SharePoint.IdentityServices.IApplicationSecurityTokenServiceContract' Action: 'http://schemas.microsoft.com/sharepoint/2011/05/securitytokenservice/IApplicationSecurityTokenServiceContract/Issue' MessageId: 'urn:uuid:119444a4-5ade-44a2-bb71-243d755a71e0' 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.04 w3wp.exe (0x1A28) 0x1570 SharePoint Foundation Monitoring nasq Medium Entering monitored scope (ExecuteWcfServerOperation). Parent No
07/31/2013 09:19:39.04 w3wp.exe (0x1A28) 0x1570 SharePoint Foundation Topology e5mb Medium WcfReceiveRequest: LocalAddress: 'net.pipe://sharepoint.mydomain.local/SecurityTokenServiceApplication/appsts.svc' Channel: 'System.ServiceModel.Channels.ServiceChannel' Action: 'http://schemas.microsoft.com/sharepoint/2011/05/securitytokenservice/IApplicationSecurityTokenServiceContract/Issue' MessageId: 'urn:uuid:119444a4-5ade-44a2-bb71-243d755a71e0' 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.06 w3wp.exe (0x1A28) 0x1570 SharePoint Foundation Monitoring b4ly Medium Leaving Monitored Scope (ExecuteWcfServerOperation). Execution Time=7.76327717628917 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.06 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Application Authentication aiv3e High Self-issued token request for 'wopi/sharepoint.mydomain.local@c824f0b6-3030-475c-b673-f0ff1feed440' succeeded. 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.12 w3wp.exe (0x19C4) 0x1FD8 SharePoint Foundation Database ahjqp High [Forced due to logging gap, cached @ 07/31/2013 09:19:38.98, Original Level: Verbose] SQL connection time: 0.0709587391693637 585c349c-fd5b-0044-6a70-507059bed6c2
07/31/2013 09:19:39.12 w3wp.exe (0x19C4) 0x1FD8 SharePoint Foundation Monitoring b4ly High Leaving Monitored Scope (EnsureListItemsData). Execution Time=153.4379369445 585c349c-fd5b-0044-6a70-507059bed6c2
07/31/2013 09:19:39.15 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Database ahjqp High [Forced due to logging gap, cached @ 07/31/2013 09:19:39.06, Original Level: Verbose] SQL connection time: 0.0662095322170835 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.15 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Monitoring b4ly High Leaving Monitored Scope (EnsureListItemsData). Execution Time=101.429650975194 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.18 w3wp.exe (0x19C4) 0x1FD8 SharePoint Foundation Database ahjqp High [Forced due to logging gap, cached @ 07/31/2013 09:19:39.15, Original Level: Verbose] SQL connection time: 0.0659301671022434 585c349c-fd5b-0044-6a70-507059bed6c2
07/31/2013 09:19:39.18 w3wp.exe (0x19C4) 0x1FD8 SharePoint Foundation General g3ql High [Forced due to logging gap, Original Level: Verbose] GetUriScheme(/Shared Documents/TEST DOCUMENT.docx) 585c349c-fd5b-0044-6a70-507059bed6c2
07/31/2013 09:19:39.20 w3wp.exe (0x19C4) 0x1108 SharePoint Foundation Monitoring b4ly Medium Leaving Monitored Scope (Request (GET:http://sharepoint.mydomain.local:80/_layouts/15/WopiFrame.aspx?sourcedoc=%2FShared%20Documents%2FTEST%20DOCUMENT%2Edocx&action=interactivepreview&wdSmallView=1)). Execution Time=331.520346859727 585c349c-ad68-0044-6a70-50f379362daf
07/31/2013 09:19:39.23 w3wp.exe (0x19C4) 0x1FD8 SharePoint Foundation Monitoring b4ly High Leaving Monitored Scope (Microsoft.SharePoint.SPObjectSharingInformation.GetListItemSharingInformation). Execution Time=313.289258830382 585c349c-fd5b-0044-6a70-507059bed6c2
07/31/2013 09:19:39.24 w3wp.exe (0x19C4) 0x0D04 SharePoint Foundation Monitoring b4ly Medium Leaving Monitored Scope (Request (POST:http://sharepoint.mydomain.local:80/_vti_bin/client.svc/ProcessQuery)). Execution Time=557.430343800679 585c349c-fd5b-0044-6a70-507059bed6c2
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring nasq Medium Entering monitored scope (Request (GET:http://sharepoint.mydomain.local:80/_vti_bin/wopi.ashx/files/f13c7a26721a46f0bd03fb67f6d4b0fc?access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IkdZa2RBc0tZRmM1NTFTbW9TSWE1Nk13VDUxWSJ9%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%252En6l4...
07/31/2013 09:19:39.32* w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring nasq Medium ...uNWiWQ4QDw96lCQXDilzh8SNR2Mk273a5Mbv0XF%252DkrSLzU3g1K3Kym775qSgdeaDu6WBhSdE784mxDkdrDngarPV2s03Ag0BYBdaBR%255FGg99jnEcbzpMR%255Fah1yOAHrlI5wGRLM1xZEkSkkVle0laLXAdwpkkDMz2ktPsvcMSqo4HGlL09ZpoB2H%252DjVBF%252DHx1hVz9adtIJdanDgMPjZNm7vUAm2uu4smONjYm981naviSCqpEVFw7Y0GSnF4eSV7Avsbia1CAYI%252DR8J0hYIJjc7JdBrk3p9Z%255FQdp0icelRLD1ZU1sujmsKuDbCCI8Wi%255F29MbO2a7%252Dvqp5sUyDA0g&access_token_ttl=1375283979046)). Parent No
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Logging Correlation Data xmnv Medium Name=Request (GET:http://sharepoint.mydomain.local:80/_vti_bin/wopi.ashx/files/f13c7a26721a46f0bd03fb67f6d4b0fc?access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IkdZa2RBc0tZRmM1NTFTbW9TSWE1Nk13VDUxWSJ9%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%252En6l4uNWiWQ4QDw96lCQXDilzh 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring nasq Medium Entering monitored scope (Application Authentication Pipeline). Parent Request (GET:http://sharepoint.mydomain.local:80/_vti_bin/wopi.ashx/files/f13c7a26721a46f0bd03fb67f6d4b0fc?access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IkdZa2RBc0tZRmM1NTFTbW9TSWE1Nk13VDUxWSJ9%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... 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32* w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring nasq Medium ...RGVmYXVsdDs7N0ZGRkZGRkZGRkZGRkZGRiJ9%252En6l4uNWiWQ4QDw96lCQXDilzh8SNR2Mk273a5Mbv0XF%252DkrSLzU3g1K3Kym775qSgdeaDu6WBhSdE784mxDkdrDngarPV2s03Ag0BYBdaBR%255FGg99jnEcbzpMR%255Fah1yOAHrlI5wGRLM1xZEkSkkVle0laLXAdwpkkDMz2ktPsvcMSqo4HGlL09ZpoB2H%252DjVBF%252DHx1hVz9adtIJdanDgMPjZNm7vUAm2uu4smONjYm981naviSCqpEVFw7Y0GSnF4eSV7Avsbia1CAYI%252DR8J0hYIJjc7JdBrk3p9Z%255FQdp0icelRLD1ZU1sujmsKuDbCCI8Wi%255F29MbO2a7%252Dvqp5sUyDA0g&access_token_ttl=1375283979046) 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Application Authentication ajez0 High SPApplicationAuthenticationModule: Invalid token or signature. Exception: System.IdentityModel.Tokens.SecurityTokenException: Unsupported security token. at Microsoft.IdentityModel.S2S.Tokens.JsonWebSecurityTokenHandler.ReadTokenCore(String token, Boolean isActorToken) at Microsoft.SharePoint.IdentityModel.SPApplicationAuthenticationModule.TryExtractAndValidateToken(HttpContext httpContext, SPIncomingTokenContext& tokenContext) 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring b4ly Medium Leaving Monitored Scope (Application Authentication Pipeline). Execution Time=0.647847701313994 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Application Authentication ajezq High SPApplicationAuthenticationModule: Error authenticating request, Error details { Header: {0}, Body: {1} }. Available parameters: 3000006;reason="Token contains invalid signature.";category="invalid_client" {"error_description":"Unsupported security token."} . 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation General 8nca Medium Application error when access /_vti_bin/wopi.ashx, Error=Unsupported security token. at Microsoft.IdentityModel.S2S.Tokens.JsonWebSecurityTokenHandler.ReadTokenCore(String token, Boolean isActorToken) at Microsoft.SharePoint.IdentityModel.SPApplicationAuthenticationModule.TryExtractAndValidateToken(HttpContext httpContext, SPIncomingTokenContext& tokenContext) 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32 w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring b4ly Medium Leaving Monitored Scope (Request (GET:http://sharepoint.mydomain.local:80/_vti_bin/wopi.ashx/files/f13c7a26721a46f0bd03fb67f6d4b0fc?access_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IkdZa2RBc0tZRmM1NTFTbW9TSWE1Nk13VDUxWSJ9%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%252En6l4u... 585c349c-0d84-0044-6a70-54627881dac8
07/31/2013 09:19:39.32* w3wp.exe (0x19C4) 0x129C SharePoint Foundation Monitoring b4ly Medium ...NWiWQ4QDw96lCQXDilzh8SNR2Mk273a5Mbv0XF%252DkrSLzU3g1K3Kym775qSgdeaDu6WBhSdE784mxDkdrDngarPV2s03Ag0BYBdaBR%255FGg99jnEcbzpMR%255Fah1yOAHrlI5wGRLM1xZEkSkkVle0laLXAdwpkkDMz2ktPsvcMSqo4HGlL09ZpoB2H%252DjVBF%252DHx1hVz9adtIJdanDgMPjZNm7vUAm2uu4smONjYm981naviSCqpEVFw7Y0GSnF4eSV7Avsbia1CAYI%252DR8J0hYIJjc7JdBrk3p9Z%255FQdp0icelRLD1ZU1sujmsKuDbCCI8Wi%255F29MbO2a7%252Dvqp5sUyDA0g&access_token_ttl=1375283979046)). Execution Time=6.40668017862605 585c349c-0d84-0044-6a70-54627881dac8