Situation:<\/STRONG> Upgrading a large site collection from SPS 2003 to MOSS 2007 for a completely virtualized medium server farm environment. In brief, when you have a large site collection, the data copy for gradual upgrade may time out. <\/SPAN><\/SPAN> Upgrade log file:<\/STRONG>[SPSqlCommandFactory] [DEBUG] [10\/20\/2006 6:26:00 AM]: SqlCommand.CommandTimeout = 23635 Events on database server :<\/STRONG> OR<\/P> Actions taken<\/STRONG>: Pregrowing transaction files in pair and temp databases as stated here<\/A> did not help, neither setting a smaller growth rate to prevent a time-out during the autogrow operation on database server (because it is virtualized and expected to be slow) as described in this KB article<\/A> .We also tried bumping up the resources on all servers, again no luck!!! Cause<\/STRONG>: Due to the inaccurate nature of setting throughput on every upgrade action, and the unpredictability of hardware performance in real time, the timeout computed during upgrade process could sometime break a legit SQL query that is just running a little longer than usual. Solution: <\/STRONG>gradual upgrade is not your choice \ud83d\ude42 Use DB migration!!!! Situation: Upgrading a large site collection from SPS 2003 to MOSS 2007 for a completely virtualized medium server farm environment. In brief, when you have a large site collection, the data copy for gradual upgrade may time out. Upgrade log file:[SPSqlCommandFactory] [DEBUG] [10\/20\/2006 6:26:00 AM]: SqlCommand.CommandTimeout = 23635[SPSiteCollectionCopier] [DEBUG] [10\/20\/2006 6:26:00 AM]: Copying table AllDocStreams.[SPSiteCollectionCopier] [ERROR] […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1172","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\n
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[SPSiteCollectionCopier] [DEBUG] [10\/20\/2006 6:26:00 AM]: Copying table AllDocStreams.
[SPSiteCollectionCopier] [ERROR] [10\/20\/2006 1:00:00 PM]: Failed copying site SPSite Url=http:\/\/devhmoss.
[SPSiteCollectionCopier] [ERROR] [10\/20\/2006 1:00:00 PM]: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
[SPSiteCollectionCopier] [ERROR] [10\/20\/2006 1:00:00 PM]: at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParserStateObject.ReadSniError(TdsParserStateObject stateObj, UInt32 error)
at System.Data.SqlClient.TdsParserStateObject.ReadSni(DbAsyncResult asyncResult, TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParserStateObject.ReadPacket(Int32 bytesExpected)
at System.Data.SqlClient.TdsParserStateObject.ReadBuffer()
at System.Data.SqlClient.TdsParserStateObject.ReadByte()
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async)
at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
at Microsoft.SharePoint.Utilities.SqlSession.ExecuteNonQuery(SqlCommand command)
at Microsoft.SharePoint.Upgrade.SPSiteCollectionMigrator.SPBaseSiteCollectionCopier.Copy()
[SPManager] [ERROR] [10\/20\/2006 1:30:00 PM]: Migrate [SPMigratableSiteCollection Parent=SPManager] failed.
[SPManager] [ERROR] [10\/20\/2006 1:30:00 PM]: This SqlTransaction has completed; it is no longer usable.
[SPManager] [ERROR] [10\/20\/2006 1:30:00 PM]: at System.Data.SqlClient.SqlTransaction.ZombieCheck()
at System.Data.SqlClient.SqlTransaction.Rollback(String transactionName)
at Microsoft.SharePoint.Utilities.TransactionalSqlSession.Rollback()
at Microsoft.SharePoint.Upgrade.SPSiteCollectionMigrator.SPBaseSiteCollectionCopier.Copy()
at Microsoft.SharePoint.Upgrade.SPSiteCollectionMigrator.Migrate()
at Microsoft.SharePoint.Upgrade.SPManager.Migrate(Object o, Boolean bRecurse)
[SPManager] [DEBUG] [10\/20\/2006 1:30:00 PM]: Elapsed time migrating [SPMigratableSiteCollection Parent=SPManager]: 21:16:28.3861356.
[SPManager] [INFO] [10\/20\/2006 1:30:00 PM]: Gradual Upgrade session finishes. root object = SPMigratableSiteCollection Parent=SPManager, recursive = True. 2 errors and 0 warnings encountered.
[SPManager] [DEBUG] [10\/20\/2006 1:30:01 PM]: Removing exclusive upgrade regkey by setting the mode to none
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